126459797 has 2 divisors, whose sum is σ = 126459798. Its totient is φ = 126459796.

The previous prime is 126459791. The next prime is 126459811. The reversal of 126459797 is 797954621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84805681 + 41654116 = 9209^2 + 6454^2 .

It is an emirp because it is prime and its reverse (797954621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126459797 - 2¹⁴ = 126443413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126459791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63229898 + 63229899.

It is an arithmetic number, because the mean of its divisors is an integer number (63229899).

Almost surely, 2^126459797 is an apocalyptic number.

It is an amenable number.

126459797 is a deficient number, since it is larger than the sum of its proper divisors (1).

126459797 is an equidigital number, since it uses as much as digits as its factorization.

126459797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 50.

The square root of 126459797 is about 11245.4344958299. The cubic root of 126459797 is about 501.9388678647.

The spelling of 126459797 in words is "one hundred twenty-six million, four hundred fifty-nine thousand, seven hundred ninety-seven".