1223040652 has 12 divisors (see below), whose sum is σ = 2140570096. Its totient is φ = 611449200.

The previous prime is 1223040649. The next prime is 1223040743. The reversal of 1223040652 is 2560403221.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47698 + ... + 68710.

Almost surely, 2^1223040652 is an apocalyptic number.

It is an amenable number.

1223040652 is a deficient number, since it is larger than the sum of its proper divisors (917529444).

1223040652 is a wasteful number, since it uses less digits than its factorization.

1223040652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35568 (or 35566 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1223040652 is about 34971.9981127759. The cubic root of 1223040652 is about 1069.4167059871.

Adding to 1223040652 its reverse (2560403221), we get a palindrome (3783443873).

It can be divided in two parts, 1223040 and 652, that multiplied together give a triangular number (797422080 = T₃₉₉₃₅).

The spelling of 1223040652 in words is "one billion, two hundred twenty-three million, forty thousand, six hundred fifty-two".