126081625597 has 2 divisors, whose sum is σ = 126081625598. Its totient is φ = 126081625596.

The previous prime is 126081625577. The next prime is 126081625609. The reversal of 126081625597 is 795526180621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103625404281 + 22456221316 = 321909^2 + 149854^2 .

It is a cyclic number.

It is not a de Polignac number, because 126081625597 - 2¹⁹ = 126081101309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126081625577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63040812798 + 63040812799.

It is an arithmetic number, because the mean of its divisors is an integer number (63040812799).

Almost surely, 2^126081625597 is an apocalyptic number.

It is an amenable number.

126081625597 is a deficient number, since it is larger than the sum of its proper divisors (1).

126081625597 is an equidigital number, since it uses as much as digits as its factorization.

126081625597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 126081625597 in words is "one hundred twenty-six billion, eighty-one million, six hundred twenty-five thousand, five hundred ninety-seven".