122615553607 has 4 divisors (see below), whose sum is σ = 122624327736. Its totient is φ = 122606779480.

The previous prime is 122615553601. The next prime is 122615553691. The reversal of 122615553607 is 706355516221.

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

It is a cyclic number.

It is not a de Polignac number, because 122615553607 - 2³⁵ = 88255815239 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 (122615553601) 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, 4366069 + ... + 4394062.

It is an arithmetic number, because the mean of its divisors is an integer number (30656081934).

Almost surely, 2^122615553607 is an apocalyptic number.

122615553607 is a deficient number, since it is larger than the sum of its proper divisors (8774129).

122615553607 is an equidigital number, since it uses as much as digits as its factorization.

122615553607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8774128.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 122615553607 in words is "one hundred twenty-two billion, six hundred fifteen million, five hundred fifty-three thousand, six hundred seven".