122235247725 has 24 divisors (see below), whose sum is σ = 202172691072. Its totient is φ = 65167267200.

The previous prime is 122235247723. The next prime is 122235247733. The reversal of 122235247725 is 527742532221.

It is not a de Polignac number, because 122235247725 - 2¹ = 122235247723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122235247723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112021 + ... + 506970.

It is an arithmetic number, because the mean of its divisors is an integer number (8423862128).

Almost surely, 2^122235247725 is an apocalyptic number.

122235247725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122235247725 is a deficient number, since it is larger than the sum of its proper divisors (79937443347).

122235247725 is a wasteful number, since it uses less digits than its factorization.

122235247725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621637 (or 621632 counting only the distinct ones).

The product of its digits is 470400, while the sum is 42.

Adding to 122235247725 its reverse (527742532221), we get a palindrome (649977779946).

The spelling of 122235247725 in words is "one hundred twenty-two billion, two hundred thirty-five million, two hundred forty-seven thousand, seven hundred twenty-five".