125750076257 has 4 divisors (see below), whose sum is σ = 135423159060. Its totient is φ = 116076993456.

The previous prime is 125750076251. The next prime is 125750076293. The reversal of 125750076257 is 752670057521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10215347041 + 115534729216 = 101071^2 + 339904^2 .

It is a cyclic number.

It is not a de Polignac number, because 125750076257 - 2⁴ = 125750076241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125750076251) 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 3 ways as a sum of consecutive naturals, for example, 4836541382 + ... + 4836541407.

It is an arithmetic number, because the mean of its divisors is an integer number (33855789765).

Almost surely, 2^125750076257 is an apocalyptic number.

It is an amenable number.

125750076257 is a deficient number, since it is larger than the sum of its proper divisors (9673082803).

125750076257 is an equidigital number, since it uses as much as digits as its factorization.

125750076257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9673082802.

The product of its (nonzero) digits is 1029000, while the sum is 47.

The spelling of 125750076257 in words is "one hundred twenty-five billion, seven hundred fifty million, seventy-six thousand, two hundred fifty-seven".