1170312172 has 12 divisors (see below), whose sum is σ = 2055336696. Its totient is φ = 583073120.

The previous prime is 1170312137. The next prime is 1170312193. The reversal of 1170312172 is 2712130711.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519478 + ... + 521725.

It is an arithmetic number, because the mean of its divisors is an integer number (171278058).

Almost surely, 2^1170312172 is an apocalyptic number.

It is an amenable number.

1170312172 is a deficient number, since it is larger than the sum of its proper divisors (885024524).

1170312172 is a wasteful number, since it uses less digits than its factorization.

1170312172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041488 (or 1041486 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 1170312172 is about 34209.8256645660. The cubic root of 1170312172 is about 1053.8219510643.

Adding to 1170312172 its reverse (2712130711), we get a palindrome (3882442883).

The spelling of 1170312172 in words is "one billion, one hundred seventy million, three hundred twelve thousand, one hundred seventy-two".