100974940 has 24 divisors (see below), whose sum is σ = 231324912. Its totient is φ = 36718080.

The previous prime is 100974919. The next prime is 100974943. The reversal of 100974940 is 49479001.

It is a junction number, because it is equal to n+sod(n) for n = 100974896 and 100974905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100974943) 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, 229269 + ... + 229708.

It is an arithmetic number, because the mean of its divisors is an integer number (9638538).

Almost surely, 2^100974940 is an apocalyptic number.

100974940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100974940 is an abundant number, since it is smaller than the sum of its proper divisors (130349972).

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

100974940 is a wasteful number, since it uses less digits than its factorization.

100974940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458997 (or 458995 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 100974940 is about 10048.6287621745. The cubic root of 100974940 is about 465.6624312055.

The spelling of 100974940 in words is "one hundred million, nine hundred seventy-four thousand, nine hundred forty".