1223001335 has 16 divisors (see below), whose sum is σ = 1586998656. Its totient is φ = 901252608.

The previous prime is 1223001323. The next prime is 1223001343. The reversal of 1223001335 is 5331003221.

It is a cyclic number.

It is not a de Polignac number, because 1223001335 - 2⁴ = 1223001319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149072 + ... + 157061.

It is an arithmetic number, because the mean of its divisors is an integer number (99187416).

Almost surely, 2^1223001335 is an apocalyptic number.

1223001335 is a deficient number, since it is larger than the sum of its proper divisors (363997321).

1223001335 is a wasteful number, since it uses less digits than its factorization.

1223001335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306202.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1223001335 is about 34971.4359871024. The cubic root of 1223001335 is about 1069.4052463770.

Adding to 1223001335 its reverse (5331003221), we get a palindrome (6554004556).

The spelling of 1223001335 in words is "one billion, two hundred twenty-three million, one thousand, three hundred thirty-five".