122246431 has 2 divisors, whose sum is σ = 122246432. Its totient is φ = 122246430.

The previous prime is 122246363. The next prime is 122246441. The reversal of 122246431 is 134642221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122246431 - 2¹¹ = 122244383 is a prime.

It is a super-2 number, since 2×122246431² = 29888379784475522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122246396 and 122246405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122246441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61123215 + 61123216.

It is an arithmetic number, because the mean of its divisors is an integer number (61123216).

Almost surely, 2^122246431 is an apocalyptic number.

122246431 is a deficient number, since it is larger than the sum of its proper divisors (1).

122246431 is an equidigital number, since it uses as much as digits as its factorization.

122246431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 122246431 is about 11056.5107968111. The cubic root of 122246431 is about 496.3012810907.

Adding to 122246431 its reverse (134642221), we get a palindrome (256888652).

The spelling of 122246431 in words is "one hundred twenty-two million, two hundred forty-six thousand, four hundred thirty-one".