122545242397 has 4 divisors (see below), whose sum is σ = 122594918656. Its totient is φ = 122495566140.

The previous prime is 122545242371. The next prime is 122545242439. The reversal of 122545242397 is 793242545221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122545242397 - 2⁷ = 122545242269 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 (122545252397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24834429 + ... + 24839362.

It is an arithmetic number, because the mean of its divisors is an integer number (30648729664).

Almost surely, 2^122545242397 is an apocalyptic number.

It is an amenable number.

122545242397 is a deficient number, since it is larger than the sum of its proper divisors (49676259).

122545242397 is an equidigital number, since it uses as much as digits as its factorization.

122545242397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49676258.

The product of its digits is 1209600, while the sum is 46.

The spelling of 122545242397 in words is "one hundred twenty-two billion, five hundred forty-five million, two hundred forty-two thousand, three hundred ninety-seven".