120424656 has 40 divisors (see below), whose sum is σ = 339380064. Its totient is φ = 36492160.

The previous prime is 120424649. The next prime is 120424657. The reversal of 120424656 is 656424021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120424657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113511 + ... + 114566.

Almost surely, 2^120424656 is an apocalyptic number.

120424656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120424656 is an abundant number, since it is smaller than the sum of its proper divisors (218955408).

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

120424656 is a wasteful number, since it uses less digits than its factorization.

120424656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228099 (or 228093 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 120424656 is about 10973.8168382746. The cubic root of 120424656 is about 493.8235586396.

Adding to 120424656 its reverse (656424021), we get a palindrome (776848677).

The spelling of 120424656 in words is "one hundred twenty million, four hundred twenty-four thousand, six hundred fifty-six".