118425870 has 96 divisors (see below), whose sum is σ = 320246784. Its totient is φ = 30340800.

The previous prime is 118425869. The next prime is 118425871. The reversal of 118425870 is 78524811.

It is an interprime number because it is at equal distance from previous prime (118425869) and next prime (118425871).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118425871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 274555 + ... + 274985.

It is an arithmetic number, because the mean of its divisors is an integer number (3335904).

Almost surely, 2^118425870 is an apocalyptic number.

118425870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118425870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160123392).

118425870 is an abundant number, since it is smaller than the sum of its proper divisors (201820914).

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

118425870 is a wasteful number, since it uses less digits than its factorization.

118425870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 118425870 is about 10882.3650922031. The cubic root of 118425870 is about 491.0761714294.

The spelling of 118425870 in words is "one hundred eighteen million, four hundred twenty-five thousand, eight hundred seventy".