118106780 has 24 divisors (see below), whose sum is σ = 270572400. Its totient is φ = 42947840.

The previous prime is 118106777. The next prime is 118106783. The reversal of 118106780 is 87601811.

It is an interprime number because it is at equal distance from previous prime (118106777) and next prime (118106783).

It is a super-2 number, since 2×118106780² = 27898422963936800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118106783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268205 + ... + 268644.

It is an arithmetic number, because the mean of its divisors is an integer number (11273850).

Almost surely, 2^118106780 is an apocalyptic number.

118106780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118106780 is an abundant number, since it is smaller than the sum of its proper divisors (152465620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118106780 is a wasteful number, since it uses less digits than its factorization.

118106780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536869 (or 536867 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 32.

The square root of 118106780 is about 10867.6943276852. The cubic root of 118106780 is about 490.6347182139.

The spelling of 118106780 in words is "one hundred eighteen million, one hundred six thousand, seven hundred eighty".