1124897453 has 4 divisors (see below), whose sum is σ = 1125028668. Its totient is φ = 1124766240.

The previous prime is 1124897447. The next prime is 1124897479. The reversal of 1124897453 is 3547984211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3547984211 = 20177 ⋅175843.

It can be written as a sum of positive squares in 2 ways, for example, as 753063364 + 371834089 = 27442^2 + 19283^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124897453 - 2¹⁰ = 1124896429 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 (1124894453) 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, 51776 + ... + 70217.

It is an arithmetic number, because the mean of its divisors is an integer number (281257167).

Almost surely, 2^1124897453 is an apocalyptic number.

It is an amenable number.

1124897453 is a deficient number, since it is larger than the sum of its proper divisors (131215).

1124897453 is an equidigital number, since it uses as much as digits as its factorization.

1124897453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131214.

The product of its digits is 241920, while the sum is 44.

The square root of 1124897453 is about 33539.4909472401. The cubic root of 1124897453 is about 1040.0103096241.

The spelling of 1124897453 in words is "one billion, one hundred twenty-four million, eight hundred ninety-seven thousand, four hundred fifty-three".