1233133042 has 4 divisors (see below), whose sum is σ = 1849699566. Its totient is φ = 616566520.

The previous prime is 1233133039. The next prime is 1233133073. The reversal of 1233133042 is 2403313321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1206103441 + 27029601 = 34729^2 + 5199^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308283259 + ... + 308283262.

Almost surely, 2^1233133042 is an apocalyptic number.

1233133042 is a deficient number, since it is larger than the sum of its proper divisors (616566524).

1233133042 is an equidigital number, since it uses as much as digits as its factorization.

1233133042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616566523.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1233133042 is about 35115.9941052507. The cubic root of 1233133042 is about 1072.3502193739.

Adding to 1233133042 its reverse (2403313321), we get a palindrome (3636446363).

The spelling of 1233133042 in words is "one billion, two hundred thirty-three million, one hundred thirty-three thousand, forty-two".