1123021204 has 12 divisors (see below), whose sum is σ = 1965534228. Its totient is φ = 561440000.

The previous prime is 1123021189. The next prime is 1123021217. The reversal of 1123021204 is 4021203211.

It can be written as a sum of positive squares in 2 ways, for example, as 1100912400 + 22108804 = 33180^2 + 4702^2 .

It is a super-2 number, since 2×1123021204² = 2522353249267219232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 36804 + ... + 60004.

It is an arithmetic number, because the mean of its divisors is an integer number (163794519).

Almost surely, 2^1123021204 is an apocalyptic number.

It is an amenable number.

1123021204 is a deficient number, since it is larger than the sum of its proper divisors (842513024).

1123021204 is a wasteful number, since it uses less digits than its factorization.

1123021204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35306 (or 35304 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1123021204 is about 33511.5085306526. The cubic root of 1123021204 is about 1039.4317667560.

Adding to 1123021204 its reverse (4021203211), we get a palindrome (5144224415).

The spelling of 1123021204 in words is "one billion, one hundred twenty-three million, twenty-one thousand, two hundred four".