118267428 has 24 divisors (see below), whose sum is σ = 277789120. Its totient is φ = 39160800.

The previous prime is 118267397. The next prime is 118267537. The reversal of 118267428 is 824762811.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30823 + ... + 34446.

Almost surely, 2^118267428 is an apocalyptic number.

It is an amenable number.

118267428 is an abundant number, since it is smaller than the sum of its proper divisors (159521692).

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

118267428 is a wasteful number, since it uses less digits than its factorization.

118267428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65427 (or 65425 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 118267428 is about 10875.0828962358. The cubic root of 118267428 is about 490.8570700457.

It can be divided in two parts, 118 and 267428, that added together give a triangular number (267546 = T₇₃₁).

The spelling of 118267428 in words is "one hundred eighteen million, two hundred sixty-seven thousand, four hundred twenty-eight".