122040431 has 2 divisors, whose sum is σ = 122040432. Its totient is φ = 122040430.

The previous prime is 122040389. The next prime is 122040437. The reversal of 122040431 is 134040221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122040431 - 2⁶ = 122040367 is a prime.

It is a super-2 number, since 2×122040431² = 29787733597331522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122040437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61020215 + 61020216.

It is an arithmetic number, because the mean of its divisors is an integer number (61020216).

Almost surely, 2^122040431 is an apocalyptic number.

122040431 is a deficient number, since it is larger than the sum of its proper divisors (1).

122040431 is an equidigital number, since it uses as much as digits as its factorization.

122040431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 122040431 is about 11047.1910909516. The cubic root of 122040431 is about 496.0223484879.

Adding to 122040431 its reverse (134040221), we get a palindrome (256080652).

The spelling of 122040431 in words is "one hundred twenty-two million, forty thousand, four hundred thirty-one".