1125461453 has 4 divisors (see below), whose sum is σ = 1125663168. Its totient is φ = 1125259740.

The previous prime is 1125461431. The next prime is 1125461459. The reversal of 1125461453 is 3541645211.

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: 3541645211 = 13 ⋅272434247.

It is a cyclic number.

It is not a de Polignac number, because 1125461453 - 2²⁴ = 1108684237 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 (1125461459) 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, 92243 + ... + 103728.

It is an arithmetic number, because the mean of its divisors is an integer number (281415792).

Almost surely, 2^1125461453 is an apocalyptic number.

It is an amenable number.

1125461453 is a deficient number, since it is larger than the sum of its proper divisors (201715).

1125461453 is an equidigital number, since it uses as much as digits as its factorization.

1125461453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201714.

The product of its digits is 14400, while the sum is 32.

The square root of 1125461453 is about 33547.8978924164. The cubic root of 1125461453 is about 1040.1840937054.

The spelling of 1125461453 in words is "one billion, one hundred twenty-five million, four hundred sixty-one thousand, four hundred fifty-three".