125044641247 has 2 divisors, whose sum is σ = 125044641248. Its totient is φ = 125044641246.

The previous prime is 125044641217. The next prime is 125044641283. The reversal of 125044641247 is 742146440521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125044641247 - 2³¹ = 122897157599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125044641217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62522320623 + 62522320624.

It is an arithmetic number, because the mean of its divisors is an integer number (62522320624).

Almost surely, 2^125044641247 is an apocalyptic number.

125044641247 is a deficient number, since it is larger than the sum of its proper divisors (1).

125044641247 is an equidigital number, since it uses as much as digits as its factorization.

125044641247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 125044641247 in words is "one hundred twenty-five billion, forty-four million, six hundred forty-one thousand, two hundred forty-seven".