1152565479 has 24 divisors (see below), whose sum is σ = 1887245360. Its totient is φ = 671939712.

The previous prime is 1152565471. The next prime is 1152565481. The reversal of 1152565479 is 9745652511.

It is a happy number.

1152565479 is a `hidden beast` number, since 1 + 1 + 52 + 56 + 547 + 9 = 666.

It is not a de Polignac number, because 1152565479 - 2³ = 1152565471 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152565471) 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, 257014 + ... + 261459.

Almost surely, 2^1152565479 is an apocalyptic number.

1152565479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1152565479 is a deficient number, since it is larger than the sum of its proper divisors (734679881).

1152565479 is a wasteful number, since it uses less digits than its factorization.

1152565479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518511 (or 518508 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 1152565479 is about 33949.4547673449. The cubic root of 1152565479 is about 1048.4680544202.

The spelling of 1152565479 in words is "one billion, one hundred fifty-two million, five hundred sixty-five thousand, four hundred seventy-nine".