118942128 has 160 divisors (see below), whose sum is σ = 368825600. Its totient is φ = 36578304.

The previous prime is 118942127. The next prime is 118942157. The reversal of 118942128 is 821249811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 118942092 and 118942101.

It is not an unprimeable number, because it can be changed into a prime (118942127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352776 + ... + 353112.

It is an arithmetic number, because the mean of its divisors is an integer number (2305160).

Almost surely, 2^118942128 is an apocalyptic number.

118942128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118942128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184412800).

118942128 is an abundant number, since it is smaller than the sum of its proper divisors (249883472).

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

118942128 is a wasteful number, since it uses less digits than its factorization.

118942128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 404 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 118942128 is about 10906.0592332886. The cubic root of 118942128 is about 491.7887254684.

The spelling of 118942128 in words is "one hundred eighteen million, nine hundred forty-two thousand, one hundred twenty-eight".