118042917 has 24 divisors (see below), whose sum is σ = 168373536. Its totient is φ = 73544448.

The previous prime is 118042901. The next prime is 118042919. The reversal of 118042917 is 719240811.

It is not a de Polignac number, because 118042917 - 2⁴ = 118042901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118042919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149598 + ... + 150384.

It is an arithmetic number, because the mean of its divisors is an integer number (7015564).

Almost surely, 2^118042917 is an apocalyptic number.

118042917 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

118042917 is a deficient number, since it is larger than the sum of its proper divisors (50330619).

118042917 is a wasteful number, since it uses less digits than its factorization.

118042917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 118042917 is about 10864.7557266604. The cubic root of 118042917 is about 490.5462698503.

The spelling of 118042917 in words is "one hundred eighteen million, forty-two thousand, nine hundred seventeen".