120442630 has 32 divisors (see below), whose sum is σ = 270293760. Its totient is φ = 37540320.

The previous prime is 120442607. The next prime is 120442633. The reversal of 120442630 is 36244021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120442633) 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, 77440 + ... + 78979.

It is an arithmetic number, because the mean of its divisors is an integer number (8446680).

Almost surely, 2^120442630 is an apocalyptic number.

120442630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120442630 is an abundant number, since it is smaller than the sum of its proper divisors (149851130).

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

120442630 is a wasteful number, since it uses less digits than its factorization.

120442630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156444.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 120442630 is about 10974.6357570536. The cubic root of 120442630 is about 493.8481259870.

Adding to 120442630 its reverse (36244021), we get a palindrome (156686651).

It can be divided in two parts, 1204 and 42630, that added together give a palindrome (43834).

The spelling of 120442630 in words is "one hundred twenty million, four hundred forty-two thousand, six hundred thirty".