118469971 has 4 divisors (see below), whose sum is σ = 118494432. Its totient is φ = 118445512.

The previous prime is 118469929. The next prime is 118469993. The reversal of 118469971 is 179964811.

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 118469971 - 2²¹ = 116372819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118499971) 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, 2251 + ... + 15556.

It is an arithmetic number, because the mean of its divisors is an integer number (29623608).

Almost surely, 2^118469971 is an apocalyptic number.

118469971 is a deficient number, since it is larger than the sum of its proper divisors (24461).

118469971 is an equidigital number, since it uses as much as digits as its factorization.

118469971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24460.

The product of its digits is 108864, while the sum is 46.

The square root of 118469971 is about 10884.3911634965. The cubic root of 118469971 is about 491.1371216888.

The spelling of 118469971 in words is "one hundred eighteen million, four hundred sixty-nine thousand, nine hundred seventy-one".