120552500 has 30 divisors (see below), whose sum is σ = 263629674. Its totient is φ = 48220000.

The previous prime is 120552463. The next prime is 120552541. The reversal of 120552500 is 5255021.

It can be written as a sum of positive squares in 5 ways, for example, as 81938704 + 38613796 = 9052^2 + 6214^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21611 + ... + 26610.

Almost surely, 2^120552500 is an apocalyptic number.

120552500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120552500 is an abundant number, since it is smaller than the sum of its proper divisors (143077174).

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

120552500 is an equidigital number, since it uses as much as digits as its factorization.

120552500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48245 (or 48228 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 120552500 is about 10979.6402491156. The cubic root of 120552500 is about 493.9982461542.

The spelling of 120552500 in words is "one hundred twenty million, five hundred fifty-two thousand, five hundred".