120730032 has 30 divisors (see below), whose sum is σ = 337876812. Its totient is φ = 40243296.

The previous prime is 120730031. The next prime is 120730037. The reversal of 120730032 is 230037021.

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 = 120729987 and 120730014.

It is not an unprimeable number, because it can be changed into a prime (120730031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419058 + ... + 419345.

Almost surely, 2^120730032 is an apocalyptic number.

120730032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120730032 is an abundant number, since it is smaller than the sum of its proper divisors (217146780).

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

120730032 is a wasteful number, since it uses less digits than its factorization.

120730032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838417 (or 838408 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 120730032 is about 10987.7218748929. The cubic root of 120730032 is about 494.2406232126.

Adding to 120730032 its reverse (230037021), we get a palindrome (350767053).

The spelling of 120730032 in words is "one hundred twenty million, seven hundred thirty thousand, thirty-two".