125054339647 has 2 divisors, whose sum is σ = 125054339648. Its totient is φ = 125054339646.

The previous prime is 125054339639. The next prime is 125054339681. The reversal of 125054339647 is 746933450521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125054339647 - 2³ = 125054339639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125054339647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125054339687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62527169823 + 62527169824.

It is an arithmetic number, because the mean of its divisors is an integer number (62527169824).

Almost surely, 2^125054339647 is an apocalyptic number.

125054339647 is a deficient number, since it is larger than the sum of its proper divisors (1).

125054339647 is an equidigital number, since it uses as much as digits as its factorization.

125054339647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 125054339647 in words is "one hundred twenty-five billion, fifty-four million, three hundred thirty-nine thousand, six hundred forty-seven".