100091500 has 24 divisors (see below), whose sum is σ = 218600928. Its totient is φ = 40036400.

The previous prime is 100091483. The next prime is 100091503. The reversal of 100091500 is 5190001.

It is not an unprimeable number, because it can be changed into a prime (100091503) 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, 99592 + ... + 100591.

It is an arithmetic number, because the mean of its divisors is an integer number (9108372).

Almost surely, 2^100091500 is an apocalyptic number.

100091500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100091500 is an abundant number, since it is smaller than the sum of its proper divisors (118509428).

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

100091500 is a wasteful number, since it uses less digits than its factorization.

100091500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200202 (or 200190 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 100091500 is about 10004.5739539473. The cubic root of 100091500 is about 464.3004086643.

The spelling of 100091500 in words is "one hundred million, ninety-one thousand, five hundred".