1152977975 has 6 divisors (see below), whose sum is σ = 1429692720. Its totient is φ = 922382360.

The previous prime is 1152977951. The next prime is 1152977977. The reversal of 1152977975 is 5797792511.

It is a happy number.

It is not a de Polignac number, because 1152977975 - 2²⁶ = 1085869111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152977977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23059535 + ... + 23059584.

It is an arithmetic number, because the mean of its divisors is an integer number (238282120).

Almost surely, 2^1152977975 is an apocalyptic number.

1152977975 is a deficient number, since it is larger than the sum of its proper divisors (276714745).

1152977975 is an equidigital number, since it uses as much as digits as its factorization.

1152977975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46119129 (or 46119124 counting only the distinct ones).

The product of its digits is 1389150, while the sum is 53.

The square root of 1152977975 is about 33955.5293729902. The cubic root of 1152977975 is about 1048.5931195616.

The spelling of 1152977975 in words is "one billion, one hundred fifty-two million, nine hundred seventy-seven thousand, nine hundred seventy-five".