126454451 has 2 divisors, whose sum is σ = 126454452. Its totient is φ = 126454450.

The previous prime is 126454441. The next prime is 126454457. The reversal of 126454451 is 154454621.

It is a strong prime.

It is an emirp because it is prime and its reverse (154454621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126454451 - 2¹⁸ = 126192307 is a prime.

It is a super-2 number, since 2×126454451² = 31981456355422802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126454457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63227225 + 63227226.

It is an arithmetic number, because the mean of its divisors is an integer number (63227226).

Almost surely, 2^126454451 is an apocalyptic number.

126454451 is a deficient number, since it is larger than the sum of its proper divisors (1).

126454451 is an equidigital number, since it uses as much as digits as its factorization.

126454451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 32.

The square root of 126454451 is about 11245.1967968551. The cubic root of 126454451 is about 501.9317947261.

The spelling of 126454451 in words is "one hundred twenty-six million, four hundred fifty-four thousand, four hundred fifty-one".