122663407345 has 4 divisors (see below), whose sum is σ = 147196088820. Its totient is φ = 98130725872.

The previous prime is 122663407337. The next prime is 122663407351. The reversal of 122663407345 is 543704366221.

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 89090907361 + 33572499984 = 298481^2 + 183228^2 .

It is a cyclic number.

It is not a de Polignac number, because 122663407345 - 2³ = 122663407337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12266340730 + ... + 12266340739.

It is an arithmetic number, because the mean of its divisors is an integer number (36799022205).

Almost surely, 2^122663407345 is an apocalyptic number.

It is an amenable number.

122663407345 is a deficient number, since it is larger than the sum of its proper divisors (24532681475).

122663407345 is an equidigital number, since it uses as much as digits as its factorization.

122663407345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24532681474.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 122663407345 in words is "one hundred twenty-two billion, six hundred sixty-three million, four hundred seven thousand, three hundred forty-five".