120722560 has 64 divisors (see below), whose sum is σ = 329843520. Its totient is φ = 41389056.

The previous prime is 120722551. The next prime is 120722579. The reversal of 120722560 is 65227021.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8994 + ... + 17953.

It is an arithmetic number, because the mean of its divisors is an integer number (5153805).

Almost surely, 2^120722560 is an apocalyptic number.

120722560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120722560 is an abundant number, since it is smaller than the sum of its proper divisors (209120960).

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

120722560 is an equidigital number, since it uses as much as digits as its factorization.

120722560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26973 (or 26961 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 120722560 is about 10987.3818537448. The cubic root of 120722560 is about 494.2304267932.

Adding to 120722560 its reverse (65227021), we get a palindrome (185949581).

The spelling of 120722560 in words is "one hundred twenty million, seven hundred twenty-two thousand, five hundred sixty".