1125453343 has 4 divisors (see below), whose sum is σ = 1286232400. Its totient is φ = 964674288.

The previous prime is 1125453341. The next prime is 1125453347. The reversal of 1125453343 is 3433545211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1125453343 - 2¹ = 1125453341 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 (1125453341) 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, 80389518 + ... + 80389531.

It is an arithmetic number, because the mean of its divisors is an integer number (321558100).

Almost surely, 2^1125453343 is an apocalyptic number.

1125453343 is a deficient number, since it is larger than the sum of its proper divisors (160779057).

1125453343 is an equidigital number, since it uses as much as digits as its factorization.

1125453343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160779056.

The product of its digits is 21600, while the sum is 31.

The square root of 1125453343 is about 33547.7770202438. Note that the first 3 decimals coincide. The cubic root of 1125453343 is about 1040.1815952004.

Adding to 1125453343 its reverse (3433545211), we get a palindrome (4558998554).

The spelling of 1125453343 in words is "one billion, one hundred twenty-five million, four hundred fifty-three thousand, three hundred forty-three".