125995308437 has 8 divisors (see below), whose sum is σ = 132730524000. Its totient is φ = 119270481264.

The previous prime is 125995308433. The next prime is 125995308443. The reversal of 125995308437 is 734803599521.

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

It is a cyclic number.

It is not a de Polignac number, because 125995308437 - 2² = 125995308433 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 (125995308433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2572187 + ... + 2620712.

It is an arithmetic number, because the mean of its divisors is an integer number (16591315500).

Almost surely, 2^125995308437 is an apocalyptic number.

It is an amenable number.

125995308437 is a deficient number, since it is larger than the sum of its proper divisors (6735215563).

125995308437 is a wasteful number, since it uses less digits than its factorization.

125995308437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194195.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 125995308437 in words is "one hundred twenty-five billion, nine hundred ninety-five million, three hundred eight thousand, four hundred thirty-seven".