1080899157 has 12 divisors (see below), whose sum is σ = 1560588864. Its totient is φ = 665168400.

The previous prime is 1080899147. The next prime is 1080899207. The reversal of 1080899157 is 7519980801.

It is not a de Polignac number, because 1080899157 - 2¹⁵ = 1080866389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080899137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1065469 + ... + 1066482.

It is an arithmetic number, because the mean of its divisors is an integer number (130049072).

Almost surely, 2^1080899157 is an apocalyptic number.

It is an amenable number.

1080899157 is a deficient number, since it is larger than the sum of its proper divisors (479689707).

1080899157 is a wasteful number, since it uses less digits than its factorization.

1080899157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131980 (or 2131967 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 48.

The square root of 1080899157 is about 32877.0308422157. The cubic root of 1080899157 is about 1026.2702180701.

The spelling of 1080899157 in words is "one billion, eighty million, eight hundred ninety-nine thousand, one hundred fifty-seven".