125726897703 has 8 divisors (see below), whose sum is σ = 182875487616. Its totient is φ = 76198119800.

The previous prime is 125726897689. The next prime is 125726897707. The reversal of 125726897703 is 307798627521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125726897703 - 2¹⁷ = 125726766631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125726897707) 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 7 ways as a sum of consecutive naturals, for example, 1904952963 + ... + 1904953028.

It is an arithmetic number, because the mean of its divisors is an integer number (22859435952).

Almost surely, 2^125726897703 is an apocalyptic number.

125726897703 is a deficient number, since it is larger than the sum of its proper divisors (57148589913).

125726897703 is a wasteful number, since it uses less digits than its factorization.

125726897703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809906005.

The product of its (nonzero) digits is 8890560, while the sum is 57.

The spelling of 125726897703 in words is "one hundred twenty-five billion, seven hundred twenty-six million, eight hundred ninety-seven thousand, seven hundred three".