120272500 has 30 divisors (see below), whose sum is σ = 263017370. Its totient is φ = 48108000.

The previous prime is 120272461. The next prime is 120272513. The reversal of 120272500 is 5272021.

It can be written as a sum of positive squares in 5 ways, for example, as 43744996 + 76527504 = 6614^2 + 8748^2 .

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, 21555 + ... + 26554.

Almost surely, 2^120272500 is an apocalyptic number.

120272500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120272500 is an abundant number, since it is smaller than the sum of its proper divisors (142744870).

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

120272500 is an equidigital number, since it uses as much as digits as its factorization.

120272500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48133 (or 48116 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 120272500 is about 10966.8819634388. The cubic root of 120272500 is about 493.6154897172.

The spelling of 120272500 in words is "one hundred twenty million, two hundred seventy-two thousand, five hundred".