122342121 has 48 divisors (see below), whose sum is σ = 204584640. Its totient is φ = 69672960.

The previous prime is 122342111. The next prime is 122342131. The reversal of 122342121 is 121243221.

It is a happy number.

122342121 is a `hidden beast` number, since 1 + 223 + 421 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (122342111) and next prime (122342131).

It is not a de Polignac number, because 122342121 - 2⁷ = 122341993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122342094 and 122342103.

It is not an unprimeable number, because it can be changed into a prime (122342111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 362865 + ... + 363201.

It is an arithmetic number, because the mean of its divisors is an integer number (4262180).

Almost surely, 2^122342121 is an apocalyptic number.

122342121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122342121 is a deficient number, since it is larger than the sum of its proper divisors (82242519).

122342121 is a wasteful number, since it uses less digits than its factorization.

122342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 563 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 122342121 is about 11060.8372648729. The cubic root of 122342121 is about 496.4307427668.

Adding to 122342121 its reverse (121243221), we get a palindrome (243585342).

It can be divided in two parts, 122 and 342121, that added together give a palindrome (342243).

The spelling of 122342121 in words is "one hundred twenty-two million, three hundred forty-two thousand, one hundred twenty-one".