120101620 has 24 divisors (see below), whose sum is σ = 252806400. Its totient is φ = 47927712.

The previous prime is 120101573. The next prime is 120101621. The reversal of 120101620 is 26101021.

It is a self number, because there is not a number n which added to its sum of digits gives 120101620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941 + ... + 15619.

It is an arithmetic number, because the mean of its divisors is an integer number (10533600).

Almost surely, 2^120101620 is an apocalyptic number.

120101620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101620 is an abundant number, since it is smaller than the sum of its proper divisors (132704780).

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

120101620 is a wasteful number, since it uses less digits than its factorization.

120101620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127 (or 14125 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 120101620 is about 10959.0884657439. The cubic root of 120101620 is about 493.3816069554.

Adding to 120101620 its reverse (26101021), we get a palindrome (146202641).

The spelling of 120101620 in words is "one hundred twenty million, one hundred one thousand, six hundred twenty".