122030121 has 4 divisors (see below), whose sum is σ = 162706832. Its totient is φ = 81353412.

The previous prime is 122030099. The next prime is 122030143. The reversal of 122030121 is 121030221.

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 an interprime number because it is at equal distance from previous prime (122030099) and next prime (122030143).

It is not a de Polignac number, because 122030121 - 2⁷ = 122029993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122030097 and 122030106.

It is not an unprimeable number, because it can be changed into a prime (122031121) 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, 20338351 + ... + 20338356.

It is an arithmetic number, because the mean of its divisors is an integer number (40676708).

Almost surely, 2^122030121 is an apocalyptic number.

It is an amenable number.

122030121 is a deficient number, since it is larger than the sum of its proper divisors (40676711).

122030121 is an equidigital number, since it uses as much as digits as its factorization.

122030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40676710.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 122030121 is about 11046.7244466403. The cubic root of 122030121 is about 496.0083800722.

Adding to 122030121 its reverse (121030221), we get a palindrome (243060342).

The spelling of 122030121 in words is "one hundred twenty-two million, thirty thousand, one hundred twenty-one".