120555036 has 72 divisors (see below), whose sum is σ = 349431264. Its totient is φ = 34329600.

The previous prime is 120555023. The next prime is 120555037. The reversal of 120555036 is 630555021.

It is a super-2 number, since 2×120555036² = 29067033409922592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120555037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100456 + ... + 101648.

It is an arithmetic number, because the mean of its divisors is an integer number (4853212).

Almost surely, 2^120555036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120555036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174715632).

120555036 is an abundant number, since it is smaller than the sum of its proper divisors (228876228).

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

120555036 is a wasteful number, since it uses less digits than its factorization.

120555036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 120555036 is about 10979.7557349879. The cubic root of 120555036 is about 494.0017101243.

The spelling of 120555036 in words is "one hundred twenty million, five hundred fifty-five thousand, thirty-six".