120133121 has 4 divisors (see below), whose sum is σ = 121580592. Its totient is φ = 118685652.

The previous prime is 120133087. The next prime is 120133127. The reversal of 120133121 is 121331021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120133121 - 2¹⁰ = 120132097 is a prime.

It is a super-2 number, since 2×120133121² = 28863933522401282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120133096 and 120133105.

It is not an unprimeable number, because it can be changed into a prime (120133127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723611 + ... + 723776.

It is an arithmetic number, because the mean of its divisors is an integer number (30395148).

Almost surely, 2^120133121 is an apocalyptic number.

It is an amenable number.

120133121 is a deficient number, since it is larger than the sum of its proper divisors (1447471).

120133121 is an equidigital number, since it uses as much as digits as its factorization.

120133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447470.

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

The square root of 120133121 is about 10960.5255804637. The cubic root of 120133121 is about 493.4247389170.

Adding to 120133121 its reverse (121331021), we get a palindrome (241464142).

The spelling of 120133121 in words is "one hundred twenty million, one hundred thirty-three thousand, one hundred twenty-one".