1111963 has 2 divisors, whose sum is σ = 1111964. Its totient is φ = 1111962.

The previous prime is 1111949. The next prime is 1111967. The reversal of 1111963 is 3691111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111963 is a prime.

It is an Ulam number.

1111963 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1111967) 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 as a sum of consecutive naturals, namely, 555981 + 555982.

It is an arithmetic number, because the mean of its divisors is an integer number (555982).

2^1111963 is an apocalyptic number.

1111963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111963 is an equidigital number, since it uses as much as digits as its factorization.

1111963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 22.

The square root of 1111963 is about 1054.4965623462. The cubic root of 1111963 is about 103.6008802716.

The spelling of 1111963 in words is "one million, one hundred eleven thousand, nine hundred sixty-three".