125431548429 has 16 divisors (see below), whose sum is σ = 182469568320. Its totient is φ = 76009253760.

The previous prime is 125431548427. The next prime is 125431548509. The reversal of 125431548429 is 924845134521.

It is a happy number.

It is not a de Polignac number, because 125431548429 - 2¹ = 125431548427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125431548427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15609 + ... + 501105.

It is an arithmetic number, because the mean of its divisors is an integer number (11404348020).

Almost surely, 2^125431548429 is an apocalyptic number.

It is an amenable number.

125431548429 is a deficient number, since it is larger than the sum of its proper divisors (57038019891).

125431548429 is a wasteful number, since it uses less digits than its factorization.

125431548429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493340.

The product of its digits is 1382400, while the sum is 48.

The spelling of 125431548429 in words is "one hundred twenty-five billion, four hundred thirty-one million, five hundred forty-eight thousand, four hundred twenty-nine".