125751043 has 4 divisors (see below), whose sum is σ = 137182968. Its totient is φ = 114319120.

The previous prime is 125751019. The next prime is 125751079. The reversal of 125751043 is 340157521.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125751043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125751013) 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, 5715946 + ... + 5715967.

It is an arithmetic number, because the mean of its divisors is an integer number (34295742).

Almost surely, 2^125751043 is an apocalyptic number.

125751043 is a deficient number, since it is larger than the sum of its proper divisors (11431925).

125751043 is a wasteful number, since it uses less digits than its factorization.

125751043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11431924.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 125751043 is about 11213.8772509779. The cubic root of 125751043 is about 500.9993917680. Note that the first 3 decimals are identical.

The spelling of 125751043 in words is "one hundred twenty-five million, seven hundred fifty-one thousand, forty-three".