125012251423 has 16 divisors (see below), whose sum is σ = 131072933376. Its totient is φ = 119096429760.

The previous prime is 125012251387. The next prime is 125012251453. The reversal of 125012251423 is 324152210521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125012251423 - 2²⁹ = 124475380511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125012251391 and 125012251400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125012251453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10118736 + ... + 10131082.

It is an arithmetic number, because the mean of its divisors is an integer number (8192058336).

Almost surely, 2^125012251423 is an apocalyptic number.

125012251423 is a deficient number, since it is larger than the sum of its proper divisors (6060681953).

125012251423 is a wasteful number, since it uses less digits than its factorization.

125012251423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18174.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 125012251423 its reverse (324152210521), we get a palindrome (449164461944).

The spelling of 125012251423 in words is "one hundred twenty-five billion, twelve million, two hundred fifty-one thousand, four hundred twenty-three".