118169459 has 2 divisors, whose sum is σ = 118169460. Its totient is φ = 118169458.

The previous prime is 118169413. The next prime is 118169473. The reversal of 118169459 is 954961811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118169459 - 2²⁴ = 101392243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (118169059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59084729 + 59084730.

It is an arithmetic number, because the mean of its divisors is an integer number (59084730).

Almost surely, 2^118169459 is an apocalyptic number.

118169459 is a deficient number, since it is larger than the sum of its proper divisors (1).

118169459 is an equidigital number, since it uses as much as digits as its factorization.

118169459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 44.

The square root of 118169459 is about 10870.5776755424. The cubic root of 118169459 is about 490.7214957752.

The spelling of 118169459 in words is "one hundred eighteen million, one hundred sixty-nine thousand, four hundred fifty-nine".