125600435797 has 2 divisors, whose sum is σ = 125600435798. Its totient is φ = 125600435796.

The previous prime is 125600435777. The next prime is 125600435809. The reversal of 125600435797 is 797534006521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120224466756 + 5375969041 = 346734^2 + 73321^2 .

It is a cyclic number.

It is not a de Polignac number, because 125600435797 - 2¹⁵ = 125600403029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125600435797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125600435747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62800217898 + 62800217899.

It is an arithmetic number, because the mean of its divisors is an integer number (62800217899).

Almost surely, 2^125600435797 is an apocalyptic number.

It is an amenable number.

125600435797 is a deficient number, since it is larger than the sum of its proper divisors (1).

125600435797 is an equidigital number, since it uses as much as digits as its factorization.

125600435797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 125600435797 in words is "one hundred twenty-five billion, six hundred million, four hundred thirty-five thousand, seven hundred ninety-seven".