1125745313 has 16 divisors (see below), whose sum is σ = 1441463424. Its totient is φ = 853493760.

The previous prime is 1125745297. The next prime is 1125745331. The reversal of 1125745313 is 3135475211.

It is not a de Polignac number, because 1125745313 - 2⁴ = 1125745297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1125745313.

It is not an unprimeable number, because it can be changed into a prime (1125745333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194720 + ... + 200417.

It is an arithmetic number, because the mean of its divisors is an integer number (90091464).

Almost surely, 2^1125745313 is an apocalyptic number.

It is an amenable number.

1125745313 is a deficient number, since it is larger than the sum of its proper divisors (315718111).

1125745313 is a wasteful number, since it uses less digits than its factorization.

1125745313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395192.

The product of its digits is 12600, while the sum is 32.

The square root of 1125745313 is about 33552.1282931500. The cubic root of 1125745313 is about 1040.2715369007.

The spelling of 1125745313 in words is "one billion, one hundred twenty-five million, seven hundred forty-five thousand, three hundred thirteen".