452120100 has 72 divisors (see below), whose sum is σ = 1385098848. Its totient is φ = 113472000.

The previous prime is 452120099. The next prime is 452120113. The reversal of 452120100 is 1021254.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 452120100.

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, 39226 + ... + 49425.

It is an arithmetic number, because the mean of its divisors is an integer number (19237484).

Almost surely, 2^452120100 is an apocalyptic number.

It is an amenable number.

452120100 is an abundant number, since it is smaller than the sum of its proper divisors (932978748).

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

452120100 is a wasteful number, since it uses less digits than its factorization.

452120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88685 (or 88678 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 452120100 is about 21263.1159522775. The cubic root of 452120100 is about 767.5109937700.

Adding to 452120100 its reverse (1021254), we get a palindrome (453141354).

The spelling of 452120100 in words is "four hundred fifty-two million, one hundred twenty thousand, one hundred".