120100620 has 24 divisors (see below), whose sum is σ = 336281904. Its totient is φ = 32026816.

The previous prime is 120100613. The next prime is 120100661. The reversal of 120100620 is 26001021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120100596 and 120100605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000779 + ... + 1000898.

It is an arithmetic number, because the mean of its divisors is an integer number (14011746).

Almost surely, 2^120100620 is an apocalyptic number.

120100620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100620 is an abundant number, since it is smaller than the sum of its proper divisors (216181284).

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

120100620 is a wasteful number, since it uses less digits than its factorization.

120100620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001689 (or 2001687 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 120100620 is about 10959.0428414164. The cubic root of 120100620 is about 493.3802376068.

Adding to 120100620 its reverse (26001021), we get a palindrome (146101641).

The spelling of 120100620 in words is "one hundred twenty million, one hundred thousand, six hundred twenty".