1121000404169 has 2 divisors, whose sum is σ = 1121000404170. Its totient is φ = 1121000404168.

The previous prime is 1121000404079. The next prime is 1121000404171. The reversal of 1121000404169 is 9614040001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1067181972025 + 53818432144 = 1033045^2 + 231988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121000404169 is a prime.

It is a super-2 number, since 2×1121000404169² (a number of 25 digits) contains 22 as substring.

Together with 1121000404171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1121000404669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560500202084 + 560500202085.

It is an arithmetic number, because the mean of its divisors is an integer number (560500202085).

Almost surely, 2^{1121000404169} is an apocalyptic number.

It is an amenable number.

1121000404169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121000404169 is an equidigital number, since it uses as much as digits as its factorization.

1121000404169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 1121000404169 in words is "one trillion, one hundred twenty-one billion, four hundred four thousand, one hundred sixty-nine".