118744931 has 2 divisors, whose sum is σ = 118744932. Its totient is φ = 118744930.

The previous prime is 118744907. The next prime is 118744961. The reversal of 118744931 is 139447811.

It is a weak prime.

It is an emirp because it is prime and its reverse (139447811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118744931 - 2⁶ = 118744867 is a prime.

It is a super-2 number, since 2×118744931² = 28200717276389522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118744961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59372465 + 59372466.

It is an arithmetic number, because the mean of its divisors is an integer number (59372466).

Almost surely, 2^118744931 is an apocalyptic number.

118744931 is a deficient number, since it is larger than the sum of its proper divisors (1).

118744931 is an equidigital number, since it uses as much as digits as its factorization.

118744931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The square root of 118744931 is about 10897.0147746986. The cubic root of 118744931 is about 491.5167923664.

The spelling of 118744931 in words is "one hundred eighteen million, seven hundred forty-four thousand, nine hundred thirty-one".