1223209407 has 8 divisors (see below), whose sum is σ = 1863938176. Its totient is φ = 698976792.

The previous prime is 1223209397. The next prime is 1223209441. The reversal of 1223209407 is 7049023221.

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

It is not a de Polignac number, because 1223209407 - 2¹⁰ = 1223208383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223209907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29124013 + ... + 29124054.

It is an arithmetic number, because the mean of its divisors is an integer number (232992272).

Almost surely, 2^1223209407 is an apocalyptic number.

1223209407 is a deficient number, since it is larger than the sum of its proper divisors (640728769).

1223209407 is an equidigital number, since it uses as much as digits as its factorization.

1223209407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58248077.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1223209407 is about 34974.4107455723. The cubic root of 1223209407 is about 1069.4658897206.

The spelling of 1223209407 in words is "one billion, two hundred twenty-three million, two hundred nine thousand, four hundred seven".