1111321007 has 2 divisors, whose sum is σ = 1111321008. Its totient is φ = 1111321006.

The previous prime is 1111320983. The next prime is 1111321009. The reversal of 1111321007 is 7001231111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111321007 - 2⁸ = 1111320751 is a prime.

Together with 1111321009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111321009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555660503 + 555660504.

It is an arithmetic number, because the mean of its divisors is an integer number (555660504).

Almost surely, 2^1111321007 is an apocalyptic number.

1111321007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111321007 is an equidigital number, since it uses as much as digits as its factorization.

1111321007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 1111321007 is about 33336.4816229908. The cubic root of 1111321007 is about 1035.8093840778.

Adding to 1111321007 its reverse (7001231111), we get a palindrome (8112552118).

The spelling of 1111321007 in words is "one billion, one hundred eleven million, three hundred twenty-one thousand, seven".