122112401 has 4 divisors (see below), whose sum is σ = 122138112. Its totient is φ = 122086692.

The previous prime is 122112349. The next prime is 122112407. The reversal of 122112401 is 104211221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 104211221 = 173 ⋅602377.

It is a cyclic number.

It is not a de Polignac number, because 122112401 - 2¹⁰ = 122111377 is a prime.

It is a super-2 number, since 2×122112401² = 29822876955969602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122112407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3425 + ... + 15998.

It is an arithmetic number, because the mean of its divisors is an integer number (30534528).

Almost surely, 2^122112401 is an apocalyptic number.

It is an amenable number.

122112401 is a deficient number, since it is larger than the sum of its proper divisors (25711).

122112401 is an equidigital number, since it uses as much as digits as its factorization.

122112401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25710.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 122112401 is about 11050.4479999681. The cubic root of 122112401 is about 496.1198345231.

Adding to 122112401 its reverse (104211221), we get a palindrome (226323622).

The spelling of 122112401 in words is "one hundred twenty-two million, one hundred twelve thousand, four hundred one".