100027900 has 36 divisors (see below), whose sum is σ = 248070928. Its totient is φ = 34295040.

The previous prime is 100027841. The next prime is 100027927. The reversal of 100027900 is 9720001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70749 + ... + 72148.

Almost surely, 2^100027900 is an apocalyptic number.

100027900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100027900 is an abundant number, since it is smaller than the sum of its proper divisors (148043028).

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

100027900 is a wasteful number, since it uses less digits than its factorization.

100027900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142918 (or 142911 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 100027900 is about 10001.3949027123. The cubic root of 100027900 is about 464.2020461235.

Adding to 100027900 its reverse (9720001), we get a palindrome (109747901).

It can be divided in two parts, 1000 and 27900, that added together give a square (28900 = 170²).

The spelling of 100027900 in words is "one hundred million, twenty-seven thousand, nine hundred".