Search a number
1351125 = 32531201
BaseRepresentation
bin101001001110111010101
32112122101200
411021313111
5321214000
644543113
714325066
oct5116725
92478350
101351125
11843136
12551a99
13383ca9
1427256d
151ba500
hex149dd5

1351125 has 24 divisors (see below), whose sum is σ = 2437656. Its totient is φ = 720000.

The previous prime is 1351123. The next prime is 1351127. The reversal of 1351125 is 5211531.

It is an interprime number because it is at equal distance from previous prime (1351123) and next prime (1351127).

It can be written as a sum of positive squares in 4 ways, for example, as 412164 + 938961 = 642^2 + 969^2 .

It is not a de Polignac number, because 1351125 - 21 = 1351123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1351098 and 1351107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 525 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (101569).

21351125 is an apocalyptic number.

1351125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351125 is a deficient number, since it is larger than the sum of its proper divisors (1086531).

1351125 is a wasteful number, since it uses less digits than its factorization.

1351125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222 (or 1209 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 1351125 is about 1162.3790259636. The cubic root of 1351125 is about 110.5516366978.

Adding to 1351125 its reverse (5211531), we get a palindrome (6562656).

The spelling of 1351125 in words is "one million, three hundred fifty-one thousand, one hundred twenty-five".