122040731 has 2 divisors, whose sum is σ = 122040732. Its totient is φ = 122040730.

The previous prime is 122040719. The next prime is 122040797. The reversal of 122040731 is 137040221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122040731 - 2²⁶ = 54931867 is a prime.

It is a super-2 number, since 2×122040731² = 29787880046028722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122040131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61020365 + 61020366.

It is an arithmetic number, because the mean of its divisors is an integer number (61020366).

Almost surely, 2^122040731 is an apocalyptic number.

122040731 is a deficient number, since it is larger than the sum of its proper divisors (1).

122040731 is an equidigital number, since it uses as much as digits as its factorization.

122040731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 122040731 is about 11047.2046690554. The cubic root of 122040731 is about 496.0227549286.

Adding to 122040731 its reverse (137040221), we get a palindrome (259080952).

The spelling of 122040731 in words is "one hundred twenty-two million, forty thousand, seven hundred thirty-one".