122501601605623 has 8 divisors (see below), whose sum is σ = 124820351567136. Its totient is φ = 120183125680800.

The previous prime is 122501601605587. The next prime is 122501601605671. The reversal of 122501601605623 is 326506106105221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122501601605623 - 2⁹ = 122501601605111 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 (122501601605023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67606548 + ... + 69394873.

It is an arithmetic number, because the mean of its divisors is an integer number (15602543945892).

Almost surely, 2^{122501601605623} is an apocalyptic number.

122501601605623 is a deficient number, since it is larger than the sum of its proper divisors (2318749961513).

122501601605623 is a wasteful number, since it uses less digits than its factorization.

122501601605623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137018345.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 122501601605623 in words is "one hundred twenty-two trillion, five hundred one billion, six hundred one million, six hundred five thousand, six hundred twenty-three".