126404453 has 8 divisors (see below), whose sum is σ = 149122560. Its totient is φ = 104851440.

The previous prime is 126404441. The next prime is 126404461. The reversal of 126404453 is 354404621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126404453 - 2⁴ = 126404437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126404413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291038 + ... + 291471.

It is an arithmetic number, because the mean of its divisors is an integer number (18640320).

Almost surely, 2^126404453 is an apocalyptic number.

It is an amenable number.

126404453 is a deficient number, since it is larger than the sum of its proper divisors (22718107).

126404453 is an equidigital number, since it uses as much as digits as its factorization.

126404453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582547.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 126404453 is about 11242.9734945876. The cubic root of 126404453 is about 501.8656341603.

The spelling of 126404453 in words is "one hundred twenty-six million, four hundred four thousand, four hundred fifty-three".