118642415 has 8 divisors (see below), whose sum is σ = 142879248. Its totient is φ = 94575040.

The previous prime is 118642379. The next prime is 118642463. The reversal of 118642415 is 514246811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118642415 - 2⁶ = 118642351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40817 + ... + 43626.

It is an arithmetic number, because the mean of its divisors is an integer number (17859906).

Almost surely, 2^118642415 is an apocalyptic number.

118642415 is a deficient number, since it is larger than the sum of its proper divisors (24236833).

118642415 is an equidigital number, since it uses as much as digits as its factorization.

118642415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84729.

The product of its digits is 7680, while the sum is 32.

The square root of 118642415 is about 10892.3099019446. The cubic root of 118642415 is about 491.3753046622.

The spelling of 118642415 in words is "one hundred eighteen million, six hundred forty-two thousand, four hundred fifteen".