1233133456 has 15 divisors (see below), whose sum is σ = 2389468251. Its totient is φ = 616496496.

The previous prime is 1233133441. The next prime is 1233133513. The reversal of 1233133456 is 6543313321.

The square root of 1233133456 is 35116.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 136075 + ... + 144853.

Almost surely, 2^1233133456 is an apocalyptic number.

1233133456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1233133456 is the 35116-th square number.

It is an amenable number.

1233133456 is a deficient number, since it is larger than the sum of its proper divisors (1156334795).

1233133456 is an frugal number, since it uses more digits than its factorization.

1233133456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17566 (or 8781 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The cubic root of 1233133456 is about 1072.3503393807.

Adding to 1233133456 its reverse (6543313321), we get a palindrome (7776446777).

It can be divided in two parts, 1233 and 133456, that added together give a square (134689 = 367²).

The spelling of 1233133456 in words is "one billion, two hundred thirty-three million, one hundred thirty-three thousand, four hundred fifty-six".