120031616 has 16 divisors (see below), whose sum is σ = 239125740. Its totient is φ = 60015744.

The previous prime is 120031603. The next prime is 120031621. The reversal of 120031616 is 616130021.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468746 + ... + 469001.

Almost surely, 2^120031616 is an apocalyptic number.

120031616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120031616 is a deficient number, since it is larger than the sum of its proper divisors (119094124).

120031616 is an frugal number, since it uses more digits than its factorization.

120031616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937761 (or 937749 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 120031616 is about 10955.8941214307. The cubic root of 120031616 is about 493.2857287074.

Adding to 120031616 its reverse (616130021), we get a palindrome (736161637).

The spelling of 120031616 in words is "one hundred twenty million, thirty-one thousand, six hundred sixteen".