118701887 has 4 divisors (see below), whose sum is σ = 121462440. Its totient is φ = 115941336.

The previous prime is 118701859. The next prime is 118701943. The reversal of 118701887 is 788107811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118701887 - 2¹⁸ = 118439743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118707887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380212 + ... + 1380297.

It is an arithmetic number, because the mean of its divisors is an integer number (30365610).

Almost surely, 2^118701887 is an apocalyptic number.

118701887 is a deficient number, since it is larger than the sum of its proper divisors (2760553).

118701887 is an equidigital number, since it uses as much as digits as its factorization.

118701887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760552.

The product of its (nonzero) digits is 25088, while the sum is 41.

The square root of 118701887 is about 10895.0395593591. The cubic root of 118701887 is about 491.4573950079.

The spelling of 118701887 in words is "one hundred eighteen million, seven hundred one thousand, eight hundred eighty-seven".