122625561503 has 4 divisors (see below), whose sum is σ = 122630646840. Its totient is φ = 122620476168.

The previous prime is 122625561497. The next prime is 122625561511. The reversal of 122625561503 is 305165526221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122625561503 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 (122625561523) 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, 2506325 + ... + 2554782.

It is an arithmetic number, because the mean of its divisors is an integer number (30657661710).

Almost surely, 2^122625561503 is an apocalyptic number.

122625561503 is a deficient number, since it is larger than the sum of its proper divisors (5085337).

122625561503 is an equidigital number, since it uses as much as digits as its factorization.

122625561503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085336.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 122625561503 in words is "one hundred twenty-two billion, six hundred twenty-five million, five hundred sixty-one thousand, five hundred three".