100053720 has 96 divisors (see below), whose sum is σ = 350204400. Its totient is φ = 24627456.

The previous prime is 100053719. The next prime is 100053757. The reversal of 100053720 is 27350001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100053693 and 100053702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6010 + ... + 15369.

Almost surely, 2^100053720 is an apocalyptic number.

100053720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100053720 is an abundant number, since it is smaller than the sum of its proper divisors (250150680).

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

100053720 is a wasteful number, since it uses less digits than its factorization.

100053720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21409 (or 21402 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 100053720 is about 10002.6856393671. The cubic root of 100053720 is about 464.2419838666.

The spelling of 100053720 in words is "one hundred million, fifty-three thousand, seven hundred twenty".