1125343345 has 32 divisors (see below), whose sum is σ = 1596860928. Its totient is φ = 745210368.

The previous prime is 1125343319. The next prime is 1125343423. The reversal of 1125343345 is 5433435211.

It is not a de Polignac number, because 1125343345 - 2⁷ = 1125343217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174244 + ... + 180586.

It is an arithmetic number, because the mean of its divisors is an integer number (49901904).

Almost surely, 2^1125343345 is an apocalyptic number.

It is an amenable number.

1125343345 is a deficient number, since it is larger than the sum of its proper divisors (471517583).

1125343345 is a wasteful number, since it uses less digits than its factorization.

1125343345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529.

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

The square root of 1125343345 is about 33546.1375571019. The cubic root of 1125343345 is about 1040.1477061537.

Adding to 1125343345 its reverse (5433435211), we get a palindrome (6558778556).

The spelling of 1125343345 in words is "one billion, one hundred twenty-five million, three hundred forty-three thousand, three hundred forty-five".