1171110988 has 12 divisors (see below), whose sum is σ = 2049810952. Its totient is φ = 585450720.

The previous prime is 1171110953. The next prime is 1171110989. The reversal of 1171110988 is 8890111711.

It is a happy number.

It is a super-2 number, since 2×1171110988² = 2743001892428672288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1171110989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2431 + ... + 48457.

Almost surely, 2^1171110988 is an apocalyptic number.

It is an amenable number.

1171110988 is a deficient number, since it is larger than the sum of its proper divisors (878699964).

1171110988 is a wasteful number, since it uses less digits than its factorization.

1171110988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52392 (or 52390 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 37.

The square root of 1171110988 is about 34221.4989151557. The cubic root of 1171110988 is about 1054.0616644211.

The spelling of 1171110988 in words is "one billion, one hundred seventy-one million, one hundred ten thousand, nine hundred eighty-eight".