125743951 has 8 divisors (see below), whose sum is σ = 133335504. Its totient is φ = 118174080.

The previous prime is 125743903. The next prime is 125743979. The reversal of 125743951 is 159347521.

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 125743951 - 2¹³ = 125735759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125743951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125743451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7416 + ... + 17506.

It is an arithmetic number, because the mean of its divisors is an integer number (16666938).

Almost surely, 2^125743951 is an apocalyptic number.

125743951 is a deficient number, since it is larger than the sum of its proper divisors (7591553).

125743951 is a wasteful number, since it uses less digits than its factorization.

125743951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10841.

The product of its digits is 37800, while the sum is 37.

The square root of 125743951 is about 11213.5610311801. The cubic root of 125743951 is about 500.9899732789.

The spelling of 125743951 in words is "one hundred twenty-five million, seven hundred forty-three thousand, nine hundred fifty-one".