122615246401 has 6 divisors (see below), whose sum is σ = 130252182470. Its totient is φ = 115402584576.

The previous prime is 122615246381. The next prime is 122615246419. The reversal of 122615246401 is 104642516221.

It can be written as a sum of positive squares in 3 ways, for example, as 22313189376 + 100302057025 = 149376^2 + 316705^2 .

It is not a de Polignac number, because 122615246401 - 2³³ = 114025311809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122615246101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212136816 + ... + 212137393.

Almost surely, 2^122615246401 is an apocalyptic number.

It is an amenable number.

122615246401 is a deficient number, since it is larger than the sum of its proper divisors (7636936069).

122615246401 is an equidigital number, since it uses as much as digits as its factorization.

122615246401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424274243 (or 424274226 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 122615246401 in words is "one hundred twenty-two billion, six hundred fifteen million, two hundred forty-six thousand, four hundred one".