1171996392 has 32 divisors (see below), whose sum is σ = 3348561600. Its totient is φ = 334856064.

The previous prime is 1171996391. The next prime is 1171996393. The reversal of 1171996392 is 2936991711.

It is an interprime number because it is at equal distance from previous prime (1171996391) and next prime (1171996393).

It is a super-2 number, since 2×1171996392² = 2747151085722035328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1171996391) 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, 3487917 + ... + 3488252.

It is an arithmetic number, because the mean of its divisors is an integer number (104642550).

Almost surely, 2^1171996392 is an apocalyptic number.

1171996392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1171996392 is an abundant number, since it is smaller than the sum of its proper divisors (2176565208).

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

1171996392 is a wasteful number, since it uses less digits than its factorization.

1171996392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6976185 (or 6976181 counting only the distinct ones).

The product of its digits is 183708, while the sum is 48.

The square root of 1171996392 is about 34234.4328418042. The cubic root of 1171996392 is about 1054.3272342736.

The spelling of 1171996392 in words is "one billion, one hundred seventy-one million, nine hundred ninety-six thousand, three hundred ninety-two".