1124645885 has 16 divisors (see below), whose sum is σ = 1472928192. Its totient is φ = 817555200.

The previous prime is 1124645843. The next prime is 1124645887. The reversal of 1124645885 is 5885464211.

It is not a de Polignac number, because 1124645885 - 2²⁰ = 1123597309 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 (1124645887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200570 + ... + 206100.

It is an arithmetic number, because the mean of its divisors is an integer number (92058012).

Almost surely, 2^1124645885 is an apocalyptic number.

It is an amenable number.

1124645885 is a deficient number, since it is larger than the sum of its proper divisors (348282307).

1124645885 is a wasteful number, since it uses less digits than its factorization.

1124645885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9244.

The product of its digits is 307200, while the sum is 44.

The square root of 1124645885 is about 33535.7404122825. The cubic root of 1124645885 is about 1039.9327757953.

The spelling of 1124645885 in words is "one billion, one hundred twenty-four million, six hundred forty-five thousand, eight hundred eighty-five".