125045837947 has 2 divisors, whose sum is σ = 125045837948. Its totient is φ = 125045837946.

The previous prime is 125045837927. The next prime is 125045837951. The reversal of 125045837947 is 749738540521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125045837947 is a prime.

It is not a weakly prime, because it can be changed into another prime (125045837927) 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, 62522918973 + 62522918974.

It is an arithmetic number, because the mean of its divisors is an integer number (62522918974).

Almost surely, 2^125045837947 is an apocalyptic number.

125045837947 is a deficient number, since it is larger than the sum of its proper divisors (1).

125045837947 is an equidigital number, since it uses as much as digits as its factorization.

125045837947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 125045837947 in words is "one hundred twenty-five billion, forty-five million, eight hundred thirty-seven thousand, nine hundred forty-seven".