Search a number
-
+
1128049 = 13194567
BaseRepresentation
bin100010011011001110001
32010022101121
410103121301
5242044144
640102241
712405526
oct4233161
92108347
101128049
1170057a
12464981
133065b0
1421514d
15174384
hex113671

1128049 has 8 divisors (see below), whose sum is σ = 1279040. Its totient is φ = 986256.

The previous prime is 1128037. The next prime is 1128089. The reversal of 1128049 is 9408211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1128049 - 29 = 1127537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2037 + ... + 2530.

It is an arithmetic number, because the mean of its divisors is an integer number (159880).

21128049 is an apocalyptic number.

1128049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1128049 is a deficient number, since it is larger than the sum of its proper divisors (150991).

1128049 is a wasteful number, since it uses less digits than its factorization.

1128049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4599.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1128049 is about 1062.0965116222. The cubic root of 1128049 is about 104.0980645544.

The spelling of 1128049 in words is "one million, one hundred twenty-eight thousand, forty-nine".

Divisors: 1 13 19 247 4567 59371 86773 1128049