120331121 has 12 divisors (see below), whose sum is σ = 125424000. Its totient is φ = 115437168.

The previous prime is 120331109. The next prime is 120331171. The reversal of 120331121 is 121133021.

It is not a de Polignac number, because 120331121 - 2¹⁴ = 120314737 is a prime.

It is a super-2 number, since 2×120331121² = 28959157362233282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120331096 and 120331105.

It is not an unprimeable number, because it can be changed into a prime (120331171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167000 + ... + 167718.

It is an arithmetic number, because the mean of its divisors is an integer number (10452000).

Almost surely, 2^120331121 is an apocalyptic number.

It is an amenable number.

120331121 is a deficient number, since it is larger than the sum of its proper divisors (5092879).

120331121 is an equidigital number, since it uses as much as digits as its factorization.

120331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 120331121 is about 10969.5542753569. The cubic root of 120331121 is about 493.6956730057.

Adding to 120331121 its reverse (121133021), we get a palindrome (241464142).

The spelling of 120331121 in words is "one hundred twenty million, three hundred thirty-one thousand, one hundred twenty-one".