1113201172 has 24 divisors (see below), whose sum is σ = 1970697960. Its totient is φ = 550179840.

The previous prime is 1113201161. The next prime is 1113201211. The reversal of 1113201172 is 2711023111.

It can be written as a sum of positive squares in 4 ways, for example, as 157402116 + 955799056 = 12546^2 + 30916^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 127854 + ... + 136282.

It is an arithmetic number, because the mean of its divisors is an integer number (82112415).

Almost surely, 2^1113201172 is an apocalyptic number.

It is an amenable number.

1113201172 is a deficient number, since it is larger than the sum of its proper divisors (857496788).

1113201172 is a wasteful number, since it uses less digits than its factorization.

1113201172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8811 (or 8809 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 1113201172 is about 33364.6695173203. The cubic root of 1113201172 is about 1036.3931923848.

Adding to 1113201172 its reverse (2711023111), we get a palindrome (3824224283).

The spelling of 1113201172 in words is "one billion, one hundred thirteen million, two hundred one thousand, one hundred seventy-two".