122444431 has 2 divisors, whose sum is σ = 122444432. Its totient is φ = 122444430.

The previous prime is 122444429. The next prime is 122444471. The reversal of 122444431 is 134444221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122444431 - 2¹ = 122444429 is a prime.

It is a super-2 number, since 2×122444431² = 29985277365827522, which contains 22 as substring.

Together with 122444429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 122444396 and 122444405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122444401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61222215 + 61222216.

It is an arithmetic number, because the mean of its divisors is an integer number (61222216).

Almost surely, 2^122444431 is an apocalyptic number.

122444431 is a deficient number, since it is larger than the sum of its proper divisors (1).

122444431 is an equidigital number, since it uses as much as digits as its factorization.

122444431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 25.

The square root of 122444431 is about 11065.4611743027. The cubic root of 122444431 is about 496.5690861751.

Adding to 122444431 its reverse (134444221), we get a palindrome (256888652).

The spelling of 122444431 in words is "one hundred twenty-two million, four hundred forty-four thousand, four hundred thirty-one".