125122317535 has 4 divisors (see below), whose sum is σ = 150146781048. Its totient is φ = 100097854024.

The previous prime is 125122317533. The next prime is 125122317613. The reversal of 125122317535 is 535713221521.

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 125122317535 - 2¹ = 125122317533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125122317494 and 125122317503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125122317533) 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, 12512231749 + ... + 12512231758.

It is an arithmetic number, because the mean of its divisors is an integer number (37536695262).

Almost surely, 2^125122317535 is an apocalyptic number.

125122317535 is a deficient number, since it is larger than the sum of its proper divisors (25024463513).

125122317535 is an equidigital number, since it uses as much as digits as its factorization.

125122317535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25024463512.

The product of its digits is 63000, while the sum is 37.

The spelling of 125122317535 in words is "one hundred twenty-five billion, one hundred twenty-two million, three hundred seventeen thousand, five hundred thirty-five".