125291432343 has 72 divisors (see below), whose sum is σ = 216530220144. Its totient is φ = 64194197760.

The previous prime is 125291432339. The next prime is 125291432353. The reversal of 125291432343 is 343234192521.

It is not a de Polignac number, because 125291432343 - 2² = 125291432339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125291432353) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1250205 + ... + 1346697.

Almost surely, 2^125291432343 is an apocalyptic number.

125291432343 is a deficient number, since it is larger than the sum of its proper divisors (91238787801).

125291432343 is a wasteful number, since it uses less digits than its factorization.

125291432343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96605 (or 96587 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The spelling of 125291432343 in words is "one hundred twenty-five billion, two hundred ninety-one million, four hundred thirty-two thousand, three hundred forty-three".