1125361473 has 16 divisors (see below), whose sum is σ = 1551017472. Its totient is φ = 725040000.

The previous prime is 1125361451. The next prime is 1125361487. The reversal of 1125361473 is 3741635211.

It is not a de Polignac number, because 1125361473 - 2⁶ = 1125361409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125361423) 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 15 ways as a sum of consecutive naturals, for example, 62823 + ... + 78723.

It is an arithmetic number, because the mean of its divisors is an integer number (96938592).

Almost surely, 2^1125361473 is an apocalyptic number.

It is an amenable number.

1125361473 is a deficient number, since it is larger than the sum of its proper divisors (425655999).

1125361473 is a wasteful number, since it uses less digits than its factorization.

1125361473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696.

The product of its digits is 15120, while the sum is 33.

The square root of 1125361473 is about 33546.4077510544. The cubic root of 1125361473 is about 1040.1532913221.

Adding to 1125361473 its reverse (3741635211), we get a palindrome (4866996684).

The spelling of 1125361473 in words is "one billion, one hundred twenty-five million, three hundred sixty-one thousand, four hundred seventy-three".