1121223319 has 2 divisors, whose sum is σ = 1121223320. Its totient is φ = 1121223318.

The previous prime is 1121223263. The next prime is 1121223331. The reversal of 1121223319 is 9133221211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121223319 is a prime.

It is a super-2 number, since 2×1121223319² = 2514283462138751522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121223293 and 1121223302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121223419) 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, 560611659 + 560611660.

It is an arithmetic number, because the mean of its divisors is an integer number (560611660).

Almost surely, 2^1121223319 is an apocalyptic number.

1121223319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121223319 is an equidigital number, since it uses as much as digits as its factorization.

1121223319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 25.

The square root of 1121223319 is about 33484.6728967150. The cubic root of 1121223319 is about 1038.8767825971.

The spelling of 1121223319 in words is "one billion, one hundred twenty-one million, two hundred twenty-three thousand, three hundred nineteen".