100453120 has 36 divisors (see below), whose sum is σ = 240619680. Its totient is φ = 40180736.

The previous prime is 100453099. The next prime is 100453159. The reversal of 100453120 is 21354001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 100453094 and 100453103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37960 + ... + 40519.

It is an arithmetic number, because the mean of its divisors is an integer number (6683880).

Almost surely, 2^100453120 is an apocalyptic number.

100453120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100453120 is an abundant number, since it is smaller than the sum of its proper divisors (140166560).

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

100453120 is an frugal number, since it uses more digits than its factorization.

100453120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78500 (or 78486 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100453120 is about 10022.6303932650. The cubic root of 100453120 is about 464.8588927068.

The spelling of 100453120 in words is "one hundred million, four hundred fifty-three thousand, one hundred twenty".