120722130 has 32 divisors (see below), whose sum is σ = 321926400. Its totient is φ = 32192496.

The previous prime is 120722093. The next prime is 120722149. The reversal of 120722130 is 31227021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223290 + ... + 223829.

It is an arithmetic number, because the mean of its divisors is an integer number (10060200).

Almost surely, 2^120722130 is an apocalyptic number.

120722130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120722130 is an abundant number, since it is smaller than the sum of its proper divisors (201204270).

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

120722130 is a wasteful number, since it uses less digits than its factorization.

120722130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447135 (or 447129 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 120722130 is about 10987.3622858264. The cubic root of 120722130 is about 494.2298399951.

Adding to 120722130 its reverse (31227021), we get a palindrome (151949151).

The spelling of 120722130 in words is "one hundred twenty million, seven hundred twenty-two thousand, one hundred thirty".