122421131 has 8 divisors (see below), whose sum is σ = 148140000. Its totient is φ = 98759808.

The previous prime is 122421109. The next prime is 122421133. The reversal of 122421131 is 131124221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122421131 - 2⁶ = 122421067 is a prime.

It is a super-2 number, since 2×122421131² = 29973866630638322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122421133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514256 + ... + 514493.

It is an arithmetic number, because the mean of its divisors is an integer number (18517500).

Almost surely, 2^122421131 is an apocalyptic number.

122421131 is a deficient number, since it is larger than the sum of its proper divisors (25718869).

122421131 is a wasteful number, since it uses less digits than its factorization.

122421131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028773.

The product of its digits is 96, while the sum is 17.

The square root of 122421131 is about 11064.4082986846. The cubic root of 122421131 is about 496.5375867334.

Adding to 122421131 its reverse (131124221), we get a palindrome (253545352).

The spelling of 122421131 in words is "one hundred twenty-two million, four hundred twenty-one thousand, one hundred thirty-one".