120002120 has 32 divisors (see below), whose sum is σ = 308577600. Its totient is φ = 41143488.

The previous prime is 120002117. The next prime is 120002131. The reversal of 120002120 is 21200021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 120002098 and 120002107.

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, 214010 + ... + 214569.

It is an arithmetic number, because the mean of its divisors is an integer number (9643050).

Almost surely, 2^120002120 is an apocalyptic number.

120002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120002120 is an abundant number, since it is smaller than the sum of its proper divisors (188575480).

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

120002120 is a wasteful number, since it uses less digits than its factorization.

120002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428597 (or 428593 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 120002120 is about 10954.5479139944. The cubic root of 120002120 is about 493.2453194988.

Adding to 120002120 its reverse (21200021), we get a palindrome (141202141).

The spelling of 120002120 in words is "one hundred twenty million, two thousand, one hundred twenty".