125409703 has 4 divisors (see below), whose sum is σ = 125581528. Its totient is φ = 125237880.

The previous prime is 125409701. The next prime is 125409707. The reversal of 125409703 is 307904521.

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

It is a cyclic number.

It is not a de Polignac number, because 125409703 - 2¹ = 125409701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125409701) 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, 84813 + ... + 86278.

It is an arithmetic number, because the mean of its divisors is an integer number (31395382).

Almost surely, 2^125409703 is an apocalyptic number.

125409703 is a deficient number, since it is larger than the sum of its proper divisors (171825).

125409703 is an equidigital number, since it uses as much as digits as its factorization.

125409703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171824.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 125409703 is about 11198.6473736787. The cubic root of 125409703 is about 500.5456749278.

The spelling of 125409703 in words is "one hundred twenty-five million, four hundred nine thousand, seven hundred three".