1180957797 has 12 divisors (see below), whose sum is σ = 1706446560. Its totient is φ = 787019688.

The previous prime is 1180957769. The next prime is 1180957829. The reversal of 1180957797 is 7977590811.

It is not a de Polignac number, because 1180957797 - 2⁶ = 1180957733 is a prime.

It is a super-2 number, since 2×1180957797² = 2789322636590186418, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180957097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4128 + ... + 48774.

It is an arithmetic number, because the mean of its divisors is an integer number (142203880).

Almost surely, 2^1180957797 is an apocalyptic number.

It is an amenable number.

1180957797 is a deficient number, since it is larger than the sum of its proper divisors (525488763).

1180957797 is a wasteful number, since it uses less digits than its factorization.

1180957797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47592 (or 47589 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 54.

The square root of 1180957797 is about 34365.0665211054. The cubic root of 1180957797 is about 1057.0076389462.

The spelling of 1180957797 in words is "one billion, one hundred eighty million, nine hundred fifty-seven thousand, seven hundred ninety-seven".