120553140 has 24 divisors (see below), whose sum is σ = 337548960. Its totient is φ = 32147488.

The previous prime is 120553133. The next prime is 120553201. The reversal of 120553140 is 41355021.

It is a congruent number.

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, 1004550 + ... + 1004669.

It is an arithmetic number, because the mean of its divisors is an integer number (14064540).

Almost surely, 2^120553140 is an apocalyptic number.

120553140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120553140 is an abundant number, since it is smaller than the sum of its proper divisors (216995820).

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

120553140 is a wasteful number, since it uses less digits than its factorization.

120553140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009231 (or 2009229 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 120553140 is about 10979.6693939299. The cubic root of 120553140 is about 493.9991203468. Note that the first 3 decimals are identical.

It can be divided in two parts, 1205 and 53140, that added together give a palindrome (54345).

The spelling of 120553140 in words is "one hundred twenty million, five hundred fifty-three thousand, one hundred forty".