1113021204 has 24 divisors (see below), whose sum is σ = 2629925760. Its totient is φ = 366310464.

The previous prime is 1113021191. The next prime is 1113021223. The reversal of 1113021204 is 4021203111.

It is a congruent number.

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, 586089 + ... + 587984.

It is an arithmetic number, because the mean of its divisors is an integer number (109580240).

Almost surely, 2^1113021204 is an apocalyptic number.

It is an amenable number.

1113021204 is an abundant number, since it is smaller than the sum of its proper divisors (1516904556).

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

1113021204 is a wasteful number, since it uses less digits than its factorization.

1113021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174159 (or 1174157 counting only the distinct ones).

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

The square root of 1113021204 is about 33361.9724237042. The cubic root of 1113021204 is about 1036.3373391492.

Adding to 1113021204 its reverse (4021203111), we get a palindrome (5134224315).

The spelling of 1113021204 in words is "one billion, one hundred thirteen million, twenty-one thousand, two hundred four".