125935771749 has 8 divisors (see below), whose sum is σ = 172009834752. Its totient is φ = 81909444960.

The previous prime is 125935771733. The next prime is 125935771771. The reversal of 125935771749 is 947177539521.

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

It is not a de Polignac number, because 125935771749 - 2⁴ = 125935771733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125935771692 and 125935771701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125935772749) 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, 511933909 + ... + 511934154.

It is an arithmetic number, because the mean of its divisors is an integer number (21501229344).

Almost surely, 2^125935771749 is an apocalyptic number.

It is an amenable number.

125935771749 is a deficient number, since it is larger than the sum of its proper divisors (46074063003).

125935771749 is a wasteful number, since it uses less digits than its factorization.

125935771749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023868107.

The product of its digits is 16669800, while the sum is 60.

The spelling of 125935771749 in words is "one hundred twenty-five billion, nine hundred thirty-five million, seven hundred seventy-one thousand, seven hundred forty-nine".