1123021104 has 40 divisors (see below), whose sum is σ = 2950317120. Its totient is φ = 367994688.

The previous prime is 1123021093. The next prime is 1123021111. The reversal of 1123021104 is 4011203211.

It is a super-2 number, since 2×1123021104² = 2522352800058757632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195442 + ... + 201105.

It is an arithmetic number, because the mean of its divisors is an integer number (73757928).

Almost surely, 2^1123021104 is an apocalyptic number.

It is an amenable number.

1123021104 is an abundant number, since it is smaller than the sum of its proper divisors (1827296016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123021104 is a wasteful number, since it uses less digits than its factorization.

1123021104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396617 (or 396611 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1123021104 is about 33511.5070386278. The cubic root of 1123021104 is about 1039.4317359037.

Adding to 1123021104 its reverse (4011203211), we get a palindrome (5134224315).

The spelling of 1123021104 in words is "one billion, one hundred twenty-three million, twenty-one thousand, one hundred four".