1114121243 has 2 divisors, whose sum is σ = 1114121244. Its totient is φ = 1114121242.

The previous prime is 1114121209. The next prime is 1114121269. The reversal of 1114121243 is 3421214111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1114121243 is a prime.

It is a super-2 number, since 2×1114121243² = 2482532288207730098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1114121143) 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 as a sum of consecutive naturals, namely, 557060621 + 557060622.

It is an arithmetic number, because the mean of its divisors is an integer number (557060622).

Almost surely, 2^1114121243 is an apocalyptic number.

1114121243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114121243 is an equidigital number, since it uses as much as digits as its factorization.

1114121243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 20.

The square root of 1114121243 is about 33378.4547725026. The cubic root of 1114121243 is about 1036.6786432563.

Adding to 1114121243 its reverse (3421214111), we get a palindrome (4535335354).

The spelling of 1114121243 in words is "one billion, one hundred fourteen million, one hundred twenty-one thousand, two hundred forty-three".