1223133072 has 80 divisors (see below), whose sum is σ = 3615101952. Its totient is φ = 349084800.

The previous prime is 1223133059. The next prime is 1223133073. The reversal of 1223133072 is 2703313221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1223133073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478197 + ... + 480747.

Almost surely, 2^1223133072 is an apocalyptic number.

1223133072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223133072 is an abundant number, since it is smaller than the sum of its proper divisors (2391968880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223133072 is a wasteful number, since it uses less digits than its factorization.

1223133072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 3990 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 1223133072 is about 34973.3194306746. The cubic root of 1223133072 is about 1069.4436424051.

Adding to 1223133072 its reverse (2703313221), we get a palindrome (3926446293).

The spelling of 1223133072 in words is "one billion, two hundred twenty-three million, one hundred thirty-three thousand, seventy-two".