120232121 has 4 divisors (see below), whose sum is σ = 120326544. Its totient is φ = 120137700.

The previous prime is 120232111. The next prime is 120232141. The reversal of 120232121 is 121232021.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-120232121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120232096 and 120232105.

It is not an unprimeable number, because it can be changed into a prime (120232111) 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, 45275 + ... + 47856.

It is an arithmetic number, because the mean of its divisors is an integer number (30081636).

Almost surely, 2^120232121 is an apocalyptic number.

It is an amenable number.

120232121 is a deficient number, since it is larger than the sum of its proper divisors (94423).

120232121 is an equidigital number, since it uses as much as digits as its factorization.

120232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94422.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120232121 is about 10965.0408571970. The cubic root of 120232121 is about 493.5602431429.

Adding to 120232121 its reverse (121232021), we get a palindrome (241464142).

The spelling of 120232121 in words is "one hundred twenty million, two hundred thirty-two thousand, one hundred twenty-one".