120651140 has 24 divisors (see below), whose sum is σ = 266703360. Its totient is φ = 45720288.

The previous prime is 120651059. The next prime is 120651149. The reversal of 120651140 is 41156021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (120651149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158372 + ... + 159131.

It is an arithmetic number, because the mean of its divisors is an integer number (11112640).

Almost surely, 2^120651140 is an apocalyptic number.

120651140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120651140 is an abundant number, since it is smaller than the sum of its proper divisors (146052220).

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

120651140 is a wasteful number, since it uses less digits than its factorization.

120651140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317531 (or 317529 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 120651140 is about 10984.1312810800. The cubic root of 120651140 is about 494.1329445989.

The spelling of 120651140 in words is "one hundred twenty million, six hundred fifty-one thousand, one hundred forty".