1123963 has 4 divisors (see below), whose sum is σ = 1131280. Its totient is φ = 1116648.

The previous prime is 1123961. The next prime is 1123973. The reversal of 1123963 is 3693211.

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 1123963 - 2¹ = 1123961 is a prime.

It is a Duffinian number.

1123963 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1123961) 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 3 ways as a sum of consecutive naturals, for example, 3423 + ... + 3736.

It is an arithmetic number, because the mean of its divisors is an integer number (282820).

2^1123963 is an apocalyptic number.

1123963 is a deficient number, since it is larger than the sum of its proper divisors (7317).

1123963 is an equidigital number, since it uses as much as digits as its factorization.

1123963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316.

The product of its digits is 972, while the sum is 25.

The square root of 1123963 is about 1060.1712125879. The cubic root of 1123963 is about 103.9722250780.

The spelling of 1123963 in words is "one million, one hundred twenty-three thousand, nine hundred sixty-three".