125730751 has 2 divisors, whose sum is σ = 125730752. Its totient is φ = 125730750.

The previous prime is 125730749. The next prime is 125730763. The reversal of 125730751 is 157037521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125730751 - 2¹ = 125730749 is a prime.

Together with 125730749, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125730701) 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 as a sum of consecutive naturals, namely, 62865375 + 62865376.

It is an arithmetic number, because the mean of its divisors is an integer number (62865376).

Almost surely, 2^125730751 is an apocalyptic number.

125730751 is a deficient number, since it is larger than the sum of its proper divisors (1).

125730751 is an equidigital number, since it uses as much as digits as its factorization.

125730751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 125730751 is about 11212.9724426666. The cubic root of 125730751 is about 500.9724421531.

The spelling of 125730751 in words is "one hundred twenty-five million, seven hundred thirty thousand, seven hundred fifty-one".