120255630 has 32 divisors (see below), whose sum is σ = 314851968. Its totient is φ = 29152800.

The previous prime is 120255623. The next prime is 120255631. The reversal of 120255630 is 36552021.

It is a super-2 number, since 2×120255630² = 28922833093393800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120255630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120255631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181876 + ... + 182535.

It is an arithmetic number, because the mean of its divisors is an integer number (9839124).

Almost surely, 2^120255630 is an apocalyptic number.

120255630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120255630 is an abundant number, since it is smaller than the sum of its proper divisors (194596338).

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

120255630 is a wasteful number, since it uses less digits than its factorization.

120255630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364432.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 120255630 is about 10966.1128026297. The cubic root of 120255630 is about 493.5924096762.

The spelling of 120255630 in words is "one hundred twenty million, two hundred fifty-five thousand, six hundred thirty".