1128185224 has 8 divisors (see below), whose sum is σ = 2115347310. Its totient is φ = 564092608.

The previous prime is 1128185171. The next prime is 1128185257. The reversal of 1128185224 is 4225818211.

It can be written as a sum of positive squares in only one way, i.e., 901080324 + 227104900 = 30018^2 + 15070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1128185224.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70511569 + ... + 70511584.

Almost surely, 2^1128185224 is an apocalyptic number.

It is an amenable number.

1128185224 is a deficient number, since it is larger than the sum of its proper divisors (987162086).

1128185224 is a wasteful number, since it uses less digits than its factorization.

1128185224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141023159 (or 141023155 counting only the distinct ones).

The product of its digits is 10240, while the sum is 34.

The square root of 1128185224 is about 33588.4686164761. The cubic root of 1128185224 is about 1041.0225470449.

The spelling of 1128185224 in words is "one billion, one hundred twenty-eight million, one hundred eighty-five thousand, two hundred twenty-four".