126398453 has 2 divisors, whose sum is σ = 126398454. Its totient is φ = 126398452.

The previous prime is 126398429. The next prime is 126398491. The reversal of 126398453 is 354893621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98446084 + 27952369 = 9922^2 + 5287^2 .

It is an emirp because it is prime and its reverse (354893621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126398453 - 2²⁶ = 59289589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126398453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126398413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63199226 + 63199227.

It is an arithmetic number, because the mean of its divisors is an integer number (63199227).

Almost surely, 2^126398453 is an apocalyptic number.

It is an amenable number.

126398453 is a deficient number, since it is larger than the sum of its proper divisors (1).

126398453 is an equidigital number, since it uses as much as digits as its factorization.

126398453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 126398453 is about 11242.7066580962. The cubic root of 126398453 is about 501.8576934025.

The spelling of 126398453 in words is "one hundred twenty-six million, three hundred ninety-eight thousand, four hundred fifty-three".