118879231 has 2 divisors, whose sum is σ = 118879232. Its totient is φ = 118879230.

The previous prime is 118879127. The next prime is 118879253. The reversal of 118879231 is 132978811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118879231 - 2⁹ = 118878719 is a prime.

It is a super-2 number, since 2×118879231² = 28264543126302722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118879291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59439615 + 59439616.

It is an arithmetic number, because the mean of its divisors is an integer number (59439616).

Almost surely, 2^118879231 is an apocalyptic number.

118879231 is a deficient number, since it is larger than the sum of its proper divisors (1).

118879231 is an equidigital number, since it uses as much as digits as its factorization.

118879231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 40.

The square root of 118879231 is about 10903.1752714519. The cubic root of 118879231 is about 491.7020236695.

The spelling of 118879231 in words is "one hundred eighteen million, eight hundred seventy-nine thousand, two hundred thirty-one".