118832921 has 2 divisors, whose sum is σ = 118832922. Its totient is φ = 118832920.

The previous prime is 118832899. The next prime is 118832929. The reversal of 118832921 is 129238811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77088400 + 41744521 = 8780^2 + 6461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118832921 is a prime.

It is a super-2 number, since 2×118832921² = 28242526226784482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118832929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59416460 + 59416461.

It is an arithmetic number, because the mean of its divisors is an integer number (59416461).

Almost surely, 2^118832921 is an apocalyptic number.

It is an amenable number.

118832921 is a deficient number, since it is larger than the sum of its proper divisors (1).

118832921 is an equidigital number, since it uses as much as digits as its factorization.

118832921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 35.

The square root of 118832921 is about 10901.0513713128. The cubic root of 118832921 is about 491.6381670480.

The spelling of 118832921 in words is "one hundred eighteen million, eight hundred thirty-two thousand, nine hundred twenty-one".