125756101 has 4 divisors (see below), whose sum is σ = 125908992. Its totient is φ = 125603212.

The previous prime is 125756087. The next prime is 125756159. The reversal of 125756101 is 101657521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125756101 - 2⁵ = 125756069 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 125756101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125756401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75205 + ... + 76858.

It is an arithmetic number, because the mean of its divisors is an integer number (31477248).

Almost surely, 2^125756101 is an apocalyptic number.

It is an amenable number.

125756101 is a deficient number, since it is larger than the sum of its proper divisors (152891).

125756101 is an equidigital number, since it uses as much as digits as its factorization.

125756101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152890.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 125756101 is about 11214.1027728481. The cubic root of 125756101 is about 501.0061087989.

The spelling of 125756101 in words is "one hundred twenty-five million, seven hundred fifty-six thousand, one hundred one".