126224453 has 4 divisors (see below), whose sum is σ = 126262848. Its totient is φ = 126186060.

The previous prime is 126224387. The next prime is 126224471. The reversal of 126224453 is 354422621.

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: 354422621 = 7 ⋅50631803.

It is a cyclic number.

It is not a de Polignac number, because 126224453 - 2¹⁰ = 126223429 is a prime.

It is a super-2 number, since 2×126224453² = 31865225070298418, which contains 22 as substring.

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 (126224053) 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, 13751 + ... + 21012.

It is an arithmetic number, because the mean of its divisors is an integer number (31565712).

Almost surely, 2^126224453 is an apocalyptic number.

It is an amenable number.

126224453 is a deficient number, since it is larger than the sum of its proper divisors (38395).

126224453 is an equidigital number, since it uses as much as digits as its factorization.

126224453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38394.

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

The square root of 126224453 is about 11234.9656430271. The cubic root of 126224453 is about 501.6273020305.

The spelling of 126224453 in words is "one hundred twenty-six million, two hundred twenty-four thousand, four hundred fifty-three".