125507203 has 2 divisors, whose sum is σ = 125507204. Its totient is φ = 125507202.

The previous prime is 125507171. The next prime is 125507227. The reversal of 125507203 is 302705521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125507203 - 2⁵ = 125507171 is a prime.

It is not a weakly prime, because it can be changed into another prime (125507903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62753601 + 62753602.

It is an arithmetic number, because the mean of its divisors is an integer number (62753602).

Almost surely, 2^125507203 is an apocalyptic number.

125507203 is a deficient number, since it is larger than the sum of its proper divisors (1).

125507203 is an equidigital number, since it uses as much as digits as its factorization.

125507203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 125507203 is about 11202.9997322146. Note that the first 3 decimals coincide. The cubic root of 125507203 is about 500.6753580390.

The spelling of 125507203 in words is "one hundred twenty-five million, five hundred seven thousand, two hundred three".