125122055523 has 8 divisors (see below), whose sum is σ = 166832929536. Its totient is φ = 83412942600.

The previous prime is 125122055507. The next prime is 125122055537. The reversal of 125122055523 is 325550221521.

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

It is not a de Polignac number, because 125122055523 - 2⁴ = 125122055507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125122055503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264463 + ... + 565848.

It is an arithmetic number, because the mean of its divisors is an integer number (20854116192).

Almost surely, 2^125122055523 is an apocalyptic number.

125122055523 is a deficient number, since it is larger than the sum of its proper divisors (41710874013).

125122055523 is an equidigital number, since it uses as much as digits as its factorization.

125122055523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880545.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 125122055523 in words is "one hundred twenty-five billion, one hundred twenty-two million, fifty-five thousand, five hundred twenty-three".