126011453 has 4 divisors (see below), whose sum is σ = 126490848. Its totient is φ = 125532060.

The previous prime is 126011449. The next prime is 126011471. The reversal of 126011453 is 354110621.

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, and also an emirpimes, since its reverse is a distinct semiprime: 354110621 = 5741 ⋅61681.

It is a cyclic number.

It is not a de Polignac number, because 126011453 - 2² = 126011449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126011153) 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, 239303 + ... + 239828.

It is an arithmetic number, because the mean of its divisors is an integer number (31622712).

Almost surely, 2^126011453 is an apocalyptic number.

It is an amenable number.

126011453 is a deficient number, since it is larger than the sum of its proper divisors (479395).

126011453 is an equidigital number, since it uses as much as digits as its factorization.

126011453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479394.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 126011453 is about 11225.4823058967. The cubic root of 126011453 is about 501.3449827985.

The spelling of 126011453 in words is "one hundred twenty-six million, eleven thousand, four hundred fifty-three".