125427402103 has 2 divisors, whose sum is σ = 125427402104. Its totient is φ = 125427402102.

The previous prime is 125427402073. The next prime is 125427402127. The reversal of 125427402103 is 301204724521.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (301204724521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125427402103 - 2⁵ = 125427402071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125427402703) 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 as a sum of consecutive naturals, namely, 62713701051 + 62713701052.

It is an arithmetic number, because the mean of its divisors is an integer number (62713701052).

Almost surely, 2^125427402103 is an apocalyptic number.

125427402103 is a deficient number, since it is larger than the sum of its proper divisors (1).

125427402103 is an equidigital number, since it uses as much as digits as its factorization.

125427402103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 125427402103 in words is "one hundred twenty-five billion, four hundred twenty-seven million, four hundred two thousand, one hundred three".