120517930 has 64 divisors (see below), whose sum is σ = 258225408. Its totient is φ = 40043520.

The previous prime is 120517927. The next prime is 120517933. The reversal of 120517930 is 39715021.

It is an interprime number because it is at equal distance from previous prime (120517927) and next prime (120517933).

It is not an unprimeable number, because it can be changed into a prime (120517933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49645 + ... + 52015.

It is an arithmetic number, because the mean of its divisors is an integer number (4034772).

Almost surely, 2^120517930 is an apocalyptic number.

120517930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120517930 is an abundant number, since it is smaller than the sum of its proper divisors (137707478).

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

120517930 is a wasteful number, since it uses less digits than its factorization.

120517930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 120517930 is about 10978.0658587932. The cubic root of 120517930 is about 493.9510214954.

The spelling of 120517930 in words is "one hundred twenty million, five hundred seventeen thousand, nine hundred thirty".