1116007121 has 4 divisors (see below), whose sum is σ = 1116091200. Its totient is φ = 1115923044.

The previous prime is 1116007103. The next prime is 1116007129. The reversal of 1116007121 is 1217006111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1116007121 - 2¹⁸ = 1115744977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1116007093 and 1116007102.

It is not an unprimeable number, because it can be changed into a prime (1116007129) 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 3 ways as a sum of consecutive naturals, for example, 17261 + ... + 50298.

It is an arithmetic number, because the mean of its divisors is an integer number (279022800).

Almost surely, 2^1116007121 is an apocalyptic number.

It is an amenable number.

1116007121 is a deficient number, since it is larger than the sum of its proper divisors (84079).

1116007121 is an equidigital number, since it uses as much as digits as its factorization.

1116007121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84078.

The product of its (nonzero) digits is 84, while the sum is 20.

The square root of 1116007121 is about 33406.6927575898. The cubic root of 1116007121 is about 1037.2632437170.

The spelling of 1116007121 in words is "one billion, one hundred sixteen million, seven thousand, one hundred twenty-one".