125971203 has 4 divisors (see below), whose sum is σ = 167961608. Its totient is φ = 83980800.

The previous prime is 125971193. The next prime is 125971211. The reversal of 125971203 is 302179521.

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

It is not a de Polignac number, because 125971203 - 2⁴ = 125971187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125971213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20995198 + ... + 20995203.

It is an arithmetic number, because the mean of its divisors is an integer number (41990402).

Almost surely, 2^125971203 is an apocalyptic number.

125971203 is a deficient number, since it is larger than the sum of its proper divisors (41990405).

125971203 is an equidigital number, since it uses as much as digits as its factorization.

125971203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41990404.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 125971203 is about 11223.6893666922. The cubic root of 125971203 is about 501.2915980096.

The spelling of 125971203 in words is "one hundred twenty-five million, nine hundred seventy-one thousand, two hundred three".