1089502172 has 12 divisors (see below), whose sum is σ = 2079958776. Its totient is φ = 495228240.

The previous prime is 1089502153. The next prime is 1089502187. The reversal of 1089502172 is 2712059801.

It is a congruent number.

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, 12380663 + ... + 12380750.

It is an arithmetic number, because the mean of its divisors is an integer number (173329898).

Almost surely, 2^1089502172 is an apocalyptic number.

It is an amenable number.

1089502172 is a deficient number, since it is larger than the sum of its proper divisors (990456604).

1089502172 is a wasteful number, since it uses less digits than its factorization.

1089502172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24761428 (or 24761426 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 1089502172 is about 33007.6077897202. The cubic root of 1089502172 is about 1028.9857650565.

The spelling of 1089502172 in words is "one billion, eighty-nine million, five hundred two thousand, one hundred seventy-two".