100112538 has 16 divisors (see below), whose sum is σ = 204485760. Its totient is φ = 32660736.

The previous prime is 100112531. The next prime is 100112561. The reversal of 100112538 is 835211001.

It is not an unprimeable number, because it can be changed into a prime (100112531) 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, 177223 + ... + 177786.

It is an arithmetic number, because the mean of its divisors is an integer number (12780360).

Almost surely, 2^100112538 is an apocalyptic number.

100112538 is an abundant number, since it is smaller than the sum of its proper divisors (104373222).

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

100112538 is a wasteful number, since it uses less digits than its factorization.

100112538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355061.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 100112538 is about 10005.6253177900. The cubic root of 100112538 is about 464.3329364604.

Adding to 100112538 its reverse (835211001), we get a palindrome (935323539).

The spelling of 100112538 in words is "one hundred million, one hundred twelve thousand, five hundred thirty-eight".