1113543201 has 4 divisors (see below), whose sum is σ = 1484724272. Its totient is φ = 742362132.

The previous prime is 1113543181. The next prime is 1113543209. The reversal of 1113543201 is 1023453111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1113543201 - 2²³ = 1105154593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1113543209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185590531 + ... + 185590536.

It is an arithmetic number, because the mean of its divisors is an integer number (371181068).

Almost surely, 2^1113543201 is an apocalyptic number.

It is an amenable number.

1113543201 is a deficient number, since it is larger than the sum of its proper divisors (371181071).

1113543201 is an equidigital number, since it uses as much as digits as its factorization.

1113543201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371181070.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1113543201 is about 33369.7947401539. The cubic root of 1113543201 is about 1036.4993248127.

Adding to 1113543201 its reverse (1023453111), we get a palindrome (2136996312).

The spelling of 1113543201 in words is "one billion, one hundred thirteen million, five hundred forty-three thousand, two hundred one".