1223454 has 8 divisors (see below), whose sum is σ = 2446920. Its totient is φ = 407816.

The previous prime is 1223449. The next prime is 1223459. The reversal of 1223454 is 4543221.

It is an interprime number because it is at equal distance from previous prime (1223449) and next prime (1223459).

It is a sphenic number, since it is the product of 3 distinct primes.

1223454 is an admirable number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1223454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223459) 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 3 ways as a sum of consecutive naturals, for example, 101949 + ... + 101960.

It is an arithmetic number, because the mean of its divisors is an integer number (305865).

2^1223454 is an apocalyptic number.

1223454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223454 is a wasteful number, since it uses less digits than its factorization.

1223454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203914.

The product of its digits is 960, while the sum is 21.

The square root of 1223454 is about 1106.0985489548. The cubic root of 1223454 is about 106.9537168450.

Adding to 1223454 its reverse (4543221), we get a palindrome (5766675).

The spelling of 1223454 in words is "one million, two hundred twenty-three thousand, four hundred fifty-four".