1125579829 has 16 divisors (see below), whose sum is σ = 1256832000. Its totient is φ = 999246960.

The previous prime is 1125579811. The next prime is 1125579857. The reversal of 1125579829 is 9289755211.

It is a cyclic number.

It is not a de Polignac number, because 1125579829 - 2⁵ = 1125579797 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 (1125570829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255802 + ... + 260164.

It is an arithmetic number, because the mean of its divisors is an integer number (78552000).

Almost surely, 2^1125579829 is an apocalyptic number.

It is an amenable number.

1125579829 is a deficient number, since it is larger than the sum of its proper divisors (131252171).

1125579829 is a wasteful number, since it uses less digits than its factorization.

1125579829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920.

The product of its digits is 453600, while the sum is 49.

The square root of 1125579829 is about 33549.6621294463. The cubic root of 1125579829 is about 1040.2205612703.

The spelling of 1125579829 in words is "one billion, one hundred twenty-five million, five hundred seventy-nine thousand, eight hundred twenty-nine".