126304653 has 4 divisors (see below), whose sum is σ = 168406208. Its totient is φ = 84203100.

The previous prime is 126304649. The next prime is 126304667. The reversal of 126304653 is 356403621.

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 not a de Polignac number, because 126304653 - 2² = 126304649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126304653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126304613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21050773 + ... + 21050778.

It is an arithmetic number, because the mean of its divisors is an integer number (42101552).

Almost surely, 2^126304653 is an apocalyptic number.

It is an amenable number.

126304653 is a deficient number, since it is larger than the sum of its proper divisors (42101555).

126304653 is an equidigital number, since it uses as much as digits as its factorization.

126304653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42101554.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 126304653 is about 11238.5342905559. The cubic root of 126304653 is about 501.7335202029.

The spelling of 126304653 in words is "one hundred twenty-six million, three hundred four thousand, six hundred fifty-three".