1080491172 has 24 divisors (see below), whose sum is σ = 2523083136. Its totient is φ = 359887008.

The previous prime is 1080491123. The next prime is 1080491173. The reversal of 1080491172 is 2711940801.

It is a super-2 number, since 2×1080491172² = 2334922345539867168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1080491173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18003 + ... + 49850.

It is an arithmetic number, because the mean of its divisors is an integer number (105128464).

Almost surely, 2^1080491172 is an apocalyptic number.

1080491172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1080491172 is an abundant number, since it is smaller than the sum of its proper divisors (1442591964).

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

1080491172 is a wasteful number, since it uses less digits than its factorization.

1080491172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69187 (or 69185 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 1080491172 is about 32870.8255448506. The cubic root of 1080491172 is about 1026.1410800455.

The spelling of 1080491172 in words is "one billion, eighty million, four hundred ninety-one thousand, one hundred seventy-two".