126310897 has 2 divisors, whose sum is σ = 126310898. Its totient is φ = 126310896.

The previous prime is 126310889. The next prime is 126310907. The reversal of 126310897 is 798013621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99281296 + 27029601 = 9964^2 + 5199^2 .

It is a cyclic number.

It is not a de Polignac number, because 126310897 - 2³ = 126310889 is a prime.

It is not a weakly prime, because it can be changed into another prime (126310997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63155448 + 63155449.

It is an arithmetic number, because the mean of its divisors is an integer number (63155449).

Almost surely, 2^126310897 is an apocalyptic number.

It is an amenable number.

126310897 is a deficient number, since it is larger than the sum of its proper divisors (1).

126310897 is an equidigital number, since it uses as much as digits as its factorization.

126310897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 126310897 is about 11238.8120813545. The cubic root of 126310897 is about 501.7417879703.

The spelling of 126310897 in words is "one hundred twenty-six million, three hundred ten thousand, eight hundred ninety-seven".