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1125124 = 2271113281
BaseRepresentation
bin100010010101100000100
32010011101021
410102230010
5242000444
640040524
712364150
oct4225404
92104337
101125124
116a9360
12463144
13305170
14214060
15173584
hex112b04

1125124 has 48 divisors (see below), whose sum is σ = 2653056. Its totient is φ = 403200.

The previous prime is 1125121. The next prime is 1125127. The reversal of 1125124 is 4215211.

1125124 = T7 + T8 + ... + T188.

It is an interprime number because it is at equal distance from previous prime (1125121) and next prime (1125127).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1125098 and 1125107.

It is not an unprimeable number, because it can be changed into a prime (1125121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3864 + ... + 4144.

It is an arithmetic number, because the mean of its divisors is an integer number (55272).

21125124 is an apocalyptic number.

1125124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326528).

1125124 is an abundant number, since it is smaller than the sum of its proper divisors (1527932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125124 is a wasteful number, since it uses less digits than its factorization.

1125124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 314 counting only the distinct ones).

The product of its digits is 80, while the sum is 16.

The square root of 1125124 is about 1060.7186243298. The cubic root of 1125124 is about 104.0080122032.

The spelling of 1125124 in words is "one million, one hundred twenty-five thousand, one hundred twenty-four".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 281 286 308 364 562 572 1001 1124 1967 2002 3091 3653 3934 4004 6182 7306 7868 12364 14612 21637 25571 40183 43274 51142 80366 86548 102284 160732 281281 562562 1125124