125000126157 has 8 divisors (see below), whose sum is σ = 166748025184. Its totient is φ = 83292822288.

The previous prime is 125000126113. The next prime is 125000126177. The reversal of 125000126157 is 751621000521.

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

It is not a de Polignac number, because 125000126157 - 2⁷ = 125000126029 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 (125000126177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10141603 + ... + 10153920.

It is an arithmetic number, because the mean of its divisors is an integer number (20843503148).

Almost surely, 2^125000126157 is an apocalyptic number.

It is an amenable number.

125000126157 is a deficient number, since it is larger than the sum of its proper divisors (41747899027).

125000126157 is a wasteful number, since it uses less digits than its factorization.

125000126157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20297579.

The product of its (nonzero) digits is 4200, while the sum is 30.

Adding to 125000126157 its reverse (751621000521), we get a palindrome (876621126678).

The spelling of 125000126157 in words is "one hundred twenty-five billion, one hundred twenty-six thousand, one hundred fifty-seven".