118331953 has 2 divisors, whose sum is σ = 118331954. Its totient is φ = 118331952.

The previous prime is 118331921. The next prime is 118332023. The reversal of 118331953 is 359133811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118004769 + 327184 = 10863^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 118331953 - 2⁵ = 118331921 is a prime.

It is a super-2 number, since 2×118331953² = 28004902201588418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118331053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59165976 + 59165977.

It is an arithmetic number, because the mean of its divisors is an integer number (59165977).

Almost surely, 2^118331953 is an apocalyptic number.

It is an amenable number.

118331953 is a deficient number, since it is larger than the sum of its proper divisors (1).

118331953 is an equidigital number, since it uses as much as digits as its factorization.

118331953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 34.

The square root of 118331953 is about 10878.0491357596. The cubic root of 118331953 is about 490.9463219913.

The spelling of 118331953 in words is "one hundred eighteen million, three hundred thirty-one thousand, nine hundred fifty-three".