1113204001 has 12 divisors (see below), whose sum is σ = 1394564052. Its totient is φ = 880776288.

The previous prime is 1113203957. The next prime is 1113204007. The reversal of 1113204001 is 1004023111.

It can be written as a sum of positive squares in 2 ways, for example, as 519794401 + 593409600 = 22799^2 + 24360^2 .

It is not a de Polignac number, because 1113204001 - 2⁷ = 1113203873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1113204007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 873150 + ... + 874423.

It is an arithmetic number, because the mean of its divisors is an integer number (116213671).

Almost surely, 2^1113204001 is an apocalyptic number.

It is an amenable number.

1113204001 is a deficient number, since it is larger than the sum of its proper divisors (281360051).

1113204001 is a wasteful number, since it uses less digits than its factorization.

1113204001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747600 (or 1747593 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1113204001 is about 33364.7119124383. The cubic root of 1113204001 is about 1036.3940703196.

Adding to 1113204001 its reverse (1004023111), we get a palindrome (2117227112).

The spelling of 1113204001 in words is "one billion, one hundred thirteen million, two hundred four thousand, one".