1223301121 has 6 divisors (see below), whose sum is σ = 1423023810. Its totient is φ = 1048543776.

The previous prime is 1223301119. The next prime is 1223301143. The reversal of 1223301121 is 1211033221.

It can be written as a sum of positive squares in only one way, i.e., 1178892225 + 44408896 = 34335^2 + 6664^2 .

It is not a de Polignac number, because 1223301121 - 2¹ = 1223301119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223301095 and 1223301104.

It is not an unprimeable number, because it can be changed into a prime (1223301721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12482616 + ... + 12482713.

It is an arithmetic number, because the mean of its divisors is an integer number (237170635).

Almost surely, 2^1223301121 is an apocalyptic number.

It is an amenable number.

1223301121 is a deficient number, since it is larger than the sum of its proper divisors (199722689).

1223301121 is an equidigital number, since it uses as much as digits as its factorization.

1223301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24965343 (or 24965336 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1223301121 is about 34975.7218796124. The cubic root of 1223301121 is about 1069.4926179169.

Adding to 1223301121 its reverse (1211033221), we get a palindrome (2434334342).

The spelling of 1223301121 in words is "one billion, two hundred twenty-three million, three hundred one thousand, one hundred twenty-one".