1152977756 has 24 divisors (see below), whose sum is σ = 2322552960. Its totient is φ = 490576752.

The previous prime is 1152977731. The next prime is 1152977773. The reversal of 1152977756 is 6577792511.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144230 + ... + 152013.

It is an arithmetic number, because the mean of its divisors is an integer number (96773040).

Almost surely, 2^1152977756 is an apocalyptic number.

It is an amenable number.

1152977756 is an abundant number, since it is smaller than the sum of its proper divisors (1169575204).

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

1152977756 is a wasteful number, since it uses less digits than its factorization.

1152977756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296393 (or 296391 counting only the distinct ones).

The product of its digits is 926100, while the sum is 50.

The square root of 1152977756 is about 33955.5261481839. The cubic root of 1152977756 is about 1048.5930531707.

The spelling of 1152977756 in words is "one billion, one hundred fifty-two million, nine hundred seventy-seven thousand, seven hundred fifty-six".