120422520 has 48 divisors (see below), whose sum is σ = 391374360. Its totient is φ = 32112576.

The previous prime is 120422501. The next prime is 120422537. The reversal of 120422520 is 25224021.

120422520 is a `hidden beast` number, since 120 + 4 + 22 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120422493 and 120422502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166894 + ... + 167613.

Almost surely, 2^120422520 is an apocalyptic number.

120422520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120422520 is an abundant number, since it is smaller than the sum of its proper divisors (270951840).

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

120422520 is a wasteful number, since it uses less digits than its factorization.

120422520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334524 (or 334517 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 120422520 is about 10973.7195152783. The cubic root of 120422520 is about 493.8206389348.

Adding to 120422520 its reverse (25224021), we get a palindrome (145646541).

The spelling of 120422520 in words is "one hundred twenty million, four hundred twenty-two thousand, five hundred twenty".