120231624 has 16 divisors (see below), whose sum is σ = 300579120. Its totient is φ = 40077200.

The previous prime is 120231623. The next prime is 120231637. The reversal of 120231624 is 426132021.

It is a self number, because there is not a number n which added to its sum of digits gives 120231624.

It is not an unprimeable number, because it can be changed into a prime (120231623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504802 + ... + 2504849.

It is an arithmetic number, because the mean of its divisors is an integer number (18786195).

Almost surely, 2^120231624 is an apocalyptic number.

It is an amenable number.

120231624 is an abundant number, since it is smaller than the sum of its proper divisors (180347496).

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

120231624 is a wasteful number, since it uses less digits than its factorization.

120231624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5009660 (or 5009656 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 120231624 is about 10965.0181942394. The cubic root of 120231624 is about 493.5595630701.

Adding to 120231624 its reverse (426132021), we get a palindrome (546363645).

The spelling of 120231624 in words is "one hundred twenty million, two hundred thirty-one thousand, six hundred twenty-four".