1223454289 has 8 divisors (see below), whose sum is σ = 1288195040. Its totient is φ = 1158748416.

The previous prime is 1223454269. The next prime is 1223454293. The reversal of 1223454289 is 9824543221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223454289 - 2⁵ = 1223454257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223454229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95089 + ... + 107185.

It is an arithmetic number, because the mean of its divisors is an integer number (161024380).

Almost surely, 2^1223454289 is an apocalyptic number.

1223454289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1223454289 is a deficient number, since it is larger than the sum of its proper divisors (64740751).

1223454289 is a wasteful number, since it uses less digits than its factorization.

1223454289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17439.

The product of its digits is 138240, while the sum is 40.

The square root of 1223454289 is about 34977.9114442243. The cubic root of 1223454289 is about 1069.5372526641.

The spelling of 1223454289 in words is "one billion, two hundred twenty-three million, four hundred fifty-four thousand, two hundred eighty-nine".