100902240 has 96 divisors (see below), whose sum is σ = 353172960. Its totient is φ = 26906112.

The previous prime is 100902239. The next prime is 100902247. The reversal of 100902240 is 42209001.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100902247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7359 + ... + 15998.

It is an arithmetic number, because the mean of its divisors is an integer number (3678885).

Almost surely, 2^100902240 is an apocalyptic number.

100902240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100902240 is an abundant number, since it is smaller than the sum of its proper divisors (252270720).

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

100902240 is a wasteful number, since it uses less digits than its factorization.

100902240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23381 (or 23367 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 100902240 is about 10045.0107018360. The cubic root of 100902240 is about 465.5506483986.

The spelling of 100902240 in words is "one hundred million, nine hundred two thousand, two hundred forty".