125768291 has 8 divisors (see below), whose sum is σ = 140910384. Its totient is φ = 111244320.

The previous prime is 125768281. The next prime is 125768299. The reversal of 125768291 is 192867521.

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

It is not a de Polignac number, because 125768291 - 2¹⁰ = 125767267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125768299) 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, 154100 + ... + 154913.

It is an arithmetic number, because the mean of its divisors is an integer number (17613798).

Almost surely, 2^125768291 is an apocalyptic number.

125768291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125768291 is a deficient number, since it is larger than the sum of its proper divisors (15142093).

125768291 is a wasteful number, since it uses less digits than its factorization.

125768291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309061.

The product of its digits is 60480, while the sum is 41.

The square root of 125768291 is about 11214.6462717288. The cubic root of 125768291 is about 501.0222963956.

The spelling of 125768291 in words is "one hundred twenty-five million, seven hundred sixty-eight thousand, two hundred ninety-one".