126507504374597 has 2 divisors, whose sum is σ = 126507504374598. Its totient is φ = 126507504374596.

The previous prime is 126507504374593. The next prime is 126507504374663. The reversal of 126507504374597 is 795473405705621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78216318312001 + 48291186062596 = 8843999^2 + 6949186^2 .

It is a cyclic number.

It is not a de Polignac number, because 126507504374597 - 2² = 126507504374593 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126507504374591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63253752187298 + 63253752187299.

It is an arithmetic number, because the mean of its divisors is an integer number (63253752187299).

Almost surely, 2^{126507504374597} is an apocalyptic number.

It is an amenable number.

126507504374597 is a deficient number, since it is larger than the sum of its proper divisors (1).

126507504374597 is an equidigital number, since it uses as much as digits as its factorization.

126507504374597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264000, while the sum is 65.

The spelling of 126507504374597 in words is "one hundred twenty-six trillion, five hundred seven billion, five hundred four million, three hundred seventy-four thousand, five hundred ninety-seven".