125726993 has 16 divisors (see below), whose sum is σ = 153004800. Its totient is φ = 103074048.

The previous prime is 125726959. The next prime is 125727011. The reversal of 125726993 is 399627521.

It is not a de Polignac number, because 125726993 - 2¹⁴ = 125710609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125726093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80 + ... + 15857.

It is an arithmetic number, because the mean of its divisors is an integer number (9562800).

Almost surely, 2^125726993 is an apocalyptic number.

It is an amenable number.

125726993 is a deficient number, since it is larger than the sum of its proper divisors (27277807).

125726993 is an equidigital number, since it uses as much as digits as its factorization.

125726993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15981 (or 15967 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 125726993 is about 11212.8048676502. The cubic root of 125726993 is about 500.9674508703.

The spelling of 125726993 in words is "one hundred twenty-five million, seven hundred twenty-six thousand, nine hundred ninety-three".