1122269 has 2 divisors, whose sum is σ = 1122270. Its totient is φ = 1122268.

The previous prime is 1122263. The next prime is 1122281. The reversal of 1122269 is 9622211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1026169 + 96100 = 1013^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122269 - 2²⁰ = 73693 is a prime.

It is a super-2 number, since 2×1122269² = 2518975416722, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122263) 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, 561134 + 561135.

It is an arithmetic number, because the mean of its divisors is an integer number (561135).

2^1122269 is an apocalyptic number.

It is an amenable number.

1122269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122269 is an equidigital number, since it uses as much as digits as its factorization.

1122269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 1122269 is about 1059.3719837715. The cubic root of 1122269 is about 103.9199643100.

The spelling of 1122269 in words is "one million, one hundred twenty-two thousand, two hundred sixty-nine".