125287712597 has 2 divisors, whose sum is σ = 125287712598. Its totient is φ = 125287712596.

The previous prime is 125287712593. The next prime is 125287712617. The reversal of 125287712597 is 795217782521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116193038641 + 9094673956 = 340871^2 + 95366^2 .

It is a cyclic number.

It is not a de Polignac number, because 125287712597 - 2² = 125287712593 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125287712593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62643856298 + 62643856299.

It is an arithmetic number, because the mean of its divisors is an integer number (62643856299).

Almost surely, 2^125287712597 is an apocalyptic number.

It is an amenable number.

125287712597 is a deficient number, since it is larger than the sum of its proper divisors (1).

125287712597 is an equidigital number, since it uses as much as digits as its factorization.

125287712597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4939200, while the sum is 56.

The spelling of 125287712597 in words is "one hundred twenty-five billion, two hundred eighty-seven million, seven hundred twelve thousand, five hundred ninety-seven".