1187088057 has 24 divisors (see below), whose sum is σ = 1802001344. Its totient is φ = 752086944.

The previous prime is 1187087989. The next prime is 1187088073. The reversal of 1187088057 is 7508807811.

It is a de Polignac number, because none of the positive numbers 2^k-1187088057 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1187088757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27133 + ... + 55770.

Almost surely, 2^1187088057 is an apocalyptic number.

It is an amenable number.

1187088057 is a deficient number, since it is larger than the sum of its proper divisors (614913287).

1187088057 is a wasteful number, since it uses less digits than its factorization.

1187088057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82989 (or 82986 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 45.

The square root of 1187088057 is about 34454.1442645148. The cubic root of 1187088057 is about 1058.8334315245.

The spelling of 1187088057 in words is "one billion, one hundred eighty-seven million, eighty-eight thousand, fifty-seven".