120254520 has 32 divisors (see below), whose sum is σ = 360763920. Its totient is φ = 32067840.

The previous prime is 120254507. The next prime is 120254569. The reversal of 120254520 is 25452021.

It is a happy number.

It is a super-2 number, since 2×120254520² = 28922299160860800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 500941 + ... + 501180.

Almost surely, 2^120254520 is an apocalyptic number.

120254520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120254520 is an abundant number, since it is smaller than the sum of its proper divisors (240509400).

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

120254520 is a wasteful number, since it uses less digits than its factorization.

120254520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002135 (or 1002131 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 120254520 is about 10966.0621920542. The cubic root of 120254520 is about 493.5908909968.

The spelling of 120254520 in words is "one hundred twenty million, two hundred fifty-four thousand, five hundred twenty".