1223104969 has 4 divisors (see below), whose sum is σ = 1262560000. Its totient is φ = 1183649940.

The previous prime is 1223104951. The next prime is 1223104973. The reversal of 1223104969 is 9694013221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9694013221 = 21563 ⋅449567.

It is a cyclic number.

It is not a de Polignac number, because 1223104969 - 2¹¹ = 1223102921 is a prime.

It is a super-2 number, since 2×1223104969² = 2991971530384981922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223104469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19727469 + ... + 19727530.

It is an arithmetic number, because the mean of its divisors is an integer number (315640000).

Almost surely, 2^1223104969 is an apocalyptic number.

It is an amenable number.

1223104969 is a deficient number, since it is larger than the sum of its proper divisors (39455031).

1223104969 is an equidigital number, since it uses as much as digits as its factorization.

1223104969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39455030.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1223104969 is about 34972.9176506622. The cubic root of 1223104969 is about 1069.4354517442.

The spelling of 1223104969 in words is "one billion, two hundred twenty-three million, one hundred four thousand, nine hundred sixty-nine".