1113963 has 4 divisors (see below), whose sum is σ = 1485288. Its totient is φ = 742640.

The previous prime is 1113961. The next prime is 1113971. The reversal of 1113963 is 3693111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1113963 - 2¹ = 1113961 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1113961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185658 + ... + 185663.

It is an arithmetic number, because the mean of its divisors is an integer number (371322).

2^1113963 is an apocalyptic number.

1113963 is a deficient number, since it is larger than the sum of its proper divisors (371325).

1113963 is an equidigital number, since it uses as much as digits as its factorization.

1113963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371324.

The product of its digits is 486, while the sum is 24.

The square root of 1113963 is about 1055.4444561416. Note that the first 4 decimals coincide. The cubic root of 1113963 is about 103.6629559758.

The spelling of 1113963 in words is "one million, one hundred thirteen thousand, nine hundred sixty-three".