125000126159 has 4 divisors (see below), whose sum is σ = 125000902416. Its totient is φ = 124999349904.

The previous prime is 125000126113. The next prime is 125000126177. The reversal of 125000126159 is 951621000521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 125000126159 - 2⁸ = 125000125903 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 (125000126189) 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, 46139 + ... + 502124.

It is an arithmetic number, because the mean of its divisors is an integer number (31250225604).

Almost surely, 2^125000126159 is an apocalyptic number.

125000126159 is a deficient number, since it is larger than the sum of its proper divisors (776257).

125000126159 is an equidigital number, since it uses as much as digits as its factorization.

125000126159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776256.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 125000126159 in words is "one hundred twenty-five billion, one hundred twenty-six thousand, one hundred fifty-nine".