125378003 has 2 divisors, whose sum is σ = 125378004. Its totient is φ = 125378002.

The previous prime is 125377957. The next prime is 125378021. The reversal of 125378003 is 300873521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125378003 - 2²⁴ = 108600787 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125378023) 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 as a sum of consecutive naturals, namely, 62689001 + 62689002.

It is an arithmetic number, because the mean of its divisors is an integer number (62689002).

Almost surely, 2^125378003 is an apocalyptic number.

125378003 is a deficient number, since it is larger than the sum of its proper divisors (1).

125378003 is an equidigital number, since it uses as much as digits as its factorization.

125378003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 125378003 is about 11197.2319347239. The cubic root of 125378003 is about 500.5034968117.

The spelling of 125378003 in words is "one hundred twenty-five million, three hundred seventy-eight thousand, three".