1223469 has 12 divisors (see below), whose sum is σ = 1903356. Its totient is φ = 752832.

The previous prime is 1223459. The next prime is 1223471. The reversal of 1223469 is 9643221.

It can be written as a sum of positive squares in 2 ways, for example, as 660969 + 562500 = 813^2 + 750^2 .

It is not a de Polignac number, because 1223469 - 2⁵ = 1223437 is a prime.

It is a super-2 number, since 2×1223469² = 2993752787922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5112 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (158613).

2^1223469 is an apocalyptic number.

It is an amenable number.

1223469 is a deficient number, since it is larger than the sum of its proper divisors (679887).

1223469 is a wasteful number, since it uses less digits than its factorization.

1223469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476 (or 10473 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1223469 is about 1106.1053295234. The cubic root of 1223469 is about 106.9541539406.

The spelling of 1223469 in words is "one million, two hundred twenty-three thousand, four hundred sixty-nine".