1153152172 has 24 divisors (see below), whose sum is σ = 2094467760. Its totient is φ = 554863680.

The previous prime is 1153152131. The next prime is 1153152181. The reversal of 1153152172 is 2712513511.

It is a self number, because there is not a number n which added to its sum of digits gives 1153152172.

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, 19422 + ... + 51802.

It is an arithmetic number, because the mean of its divisors is an integer number (87269490).

Almost surely, 2^1153152172 is an apocalyptic number.

It is an amenable number.

1153152172 is a deficient number, since it is larger than the sum of its proper divisors (941315588).

1153152172 is a wasteful number, since it uses less digits than its factorization.

1153152172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32721 (or 32719 counting only the distinct ones).

The product of its digits is 2100, while the sum is 28.

The square root of 1153152172 is about 33958.0943517153. The cubic root of 1153152172 is about 1048.6459255941.

Adding to 1153152172 its reverse (2712513511), we get a palindrome (3865665683).

The spelling of 1153152172 in words is "one billion, one hundred fifty-three million, one hundred fifty-two thousand, one hundred seventy-two".