1113984143 has 8 divisors (see below), whose sum is σ = 1197118512. Its totient is φ = 1032806016.

The previous prime is 1113984121. The next prime is 1113984149. The reversal of 1113984143 is 3414893111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113984143 - 2¹² = 1113980047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113984149) 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 7 ways as a sum of consecutive naturals, for example, 487880 + ... + 490157.

It is an arithmetic number, because the mean of its divisors is an integer number (149639814).

Almost surely, 2^1113984143 is an apocalyptic number.

1113984143 is a deficient number, since it is larger than the sum of its proper divisors (83134369).

1113984143 is an equidigital number, since it uses as much as digits as its factorization.

1113984143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978121.

The product of its digits is 10368, while the sum is 35.

The square root of 1113984143 is about 33376.4009893218. The cubic root of 1113984143 is about 1036.6361181203.

The spelling of 1113984143 in words is "one billion, one hundred thirteen million, nine hundred eighty-four thousand, one hundred forty-three".