118133291 has 2 divisors, whose sum is σ = 118133292. Its totient is φ = 118133290.

The previous prime is 118133287. The next prime is 118133363. The reversal of 118133291 is 192331811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118133291 - 2² = 118133287 is a prime.

It is not a weakly prime, because it can be changed into another prime (118133201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59066645 + 59066646.

It is an arithmetic number, because the mean of its divisors is an integer number (59066646).

Almost surely, 2^118133291 is an apocalyptic number.

118133291 is a deficient number, since it is larger than the sum of its proper divisors (1).

118133291 is an equidigital number, since it uses as much as digits as its factorization.

118133291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 29.

The square root of 118133291 is about 10868.9139751863. The cubic root of 118133291 is about 490.6714257987.

The spelling of 118133291 in words is "one hundred eighteen million, one hundred thirty-three thousand, two hundred ninety-one".