126304453 has 4 divisors (see below), whose sum is σ = 137786688. Its totient is φ = 114822220.

The previous prime is 126304433. The next prime is 126304481. The reversal of 126304453 is 354403621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126304453 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 (126304433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5741101 + ... + 5741122.

It is an arithmetic number, because the mean of its divisors is an integer number (34446672).

Almost surely, 2^126304453 is an apocalyptic number.

It is an amenable number.

126304453 is a deficient number, since it is larger than the sum of its proper divisors (11482235).

126304453 is a wasteful number, since it uses less digits than its factorization.

126304453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11482234.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 126304453 is about 11238.5253925949. The cubic root of 126304453 is about 501.7332553756.

The spelling of 126304453 in words is "one hundred twenty-six million, three hundred four thousand, four hundred fifty-three".