122440630297 has 4 divisors (see below), whose sum is σ = 122466053556. Its totient is φ = 122415207040.

The previous prime is 122440630237. The next prime is 122440630379. The reversal of 122440630297 is 792036044221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14491585161 + 107949045136 = 120381^2 + 328556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122440630297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122440630237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12704404 + ... + 12714037.

It is an arithmetic number, because the mean of its divisors is an integer number (30616513389).

Almost surely, 2^122440630297 is an apocalyptic number.

It is an amenable number.

122440630297 is a deficient number, since it is larger than the sum of its proper divisors (25423259).

122440630297 is an equidigital number, since it uses as much as digits as its factorization.

122440630297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25423258.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 122440630297 in words is "one hundred twenty-two billion, four hundred forty million, six hundred thirty thousand, two hundred ninety-seven".