120121120 has 48 divisors (see below), whose sum is σ = 324330048. Its totient is φ = 41184000.

The previous prime is 120121093. The next prime is 120121121. The reversal of 120121120 is 21121021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120121097 and 120121106.

It is not an unprimeable number, because it can be changed into a prime (120121121) 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, 52506 + ... + 54745.

It is an arithmetic number, because the mean of its divisors is an integer number (6756876).

Almost surely, 2^120121120 is an apocalyptic number.

120121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121120 is an abundant number, since it is smaller than the sum of its proper divisors (204208928).

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

120121120 is a wasteful number, since it uses less digits than its factorization.

120121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107273 (or 107265 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 120121120 is about 10959.9781021679. The cubic root of 120121120 is about 493.4083077351.

Adding to 120121120 its reverse (21121021), we get a palindrome (141242141).

Subtracting from 120121120 its reverse (21121021), we obtain a palindrome (99000099).

The spelling of 120121120 in words is "one hundred twenty million, one hundred twenty-one thousand, one hundred twenty".