122522731 has 2 divisors, whose sum is σ = 122522732. Its totient is φ = 122522730.

The previous prime is 122522717. The next prime is 122522747. The reversal of 122522731 is 137225221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122522731 - 2²¹ = 120425579 is a prime.

It is a super-2 number, since 2×122522731² = 30023639223396722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122522696 and 122522705.

It is not a weakly prime, because it can be changed into another prime (122522711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61261365 + 61261366.

It is an arithmetic number, because the mean of its divisors is an integer number (61261366).

Almost surely, 2^122522731 is an apocalyptic number.

122522731 is a deficient number, since it is larger than the sum of its proper divisors (1).

122522731 is an equidigital number, since it uses as much as digits as its factorization.

122522731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 122522731 is about 11068.9986448640. The cubic root of 122522731 is about 496.6749112535.

Adding to 122522731 its reverse (137225221), we get a palindrome (259747952).

The spelling of 122522731 in words is "one hundred twenty-two million, five hundred twenty-two thousand, seven hundred thirty-one".