122547135325 has 6 divisors (see below), whose sum is σ = 151958447834. Its totient is φ = 98037708240.

The previous prime is 122547135253. The next prime is 122547135329. The reversal of 122547135325 is 523531745221.

It can be written as a sum of positive squares in 3 ways, for example, as 6264089316 + 116283046009 = 79146^2 + 341003^2 .

It is not a de Polignac number, because 122547135325 - 2²³ = 122538746717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122547135329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2450942682 + ... + 2450942731.

Almost surely, 2^122547135325 is an apocalyptic number.

It is an amenable number.

122547135325 is a deficient number, since it is larger than the sum of its proper divisors (29411312509).

122547135325 is an equidigital number, since it uses as much as digits as its factorization.

122547135325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901885423 (or 4901885418 counting only the distinct ones).

The product of its digits is 252000, while the sum is 40.

The spelling of 122547135325 in words is "one hundred twenty-two billion, five hundred forty-seven million, one hundred thirty-five thousand, three hundred twenty-five".