1232133442 has 8 divisors (see below), whose sum is σ = 1848732732. Its totient is φ = 615889200.

The previous prime is 1232133431. The next prime is 1232133443. The reversal of 1232133442 is 2443312321.

It can be written as a sum of positive squares in 2 ways, for example, as 1231378281 + 755161 = 35091^2 + 869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1232133443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79909 + ... + 94072.

Almost surely, 2^1232133442 is an apocalyptic number.

1232133442 is a deficient number, since it is larger than the sum of its proper divisors (616599290).

1232133442 is a wasteful number, since it uses less digits than its factorization.

1232133442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177524.

The product of its digits is 3456, while the sum is 25.

The square root of 1232133442 is about 35101.7583890038. The cubic root of 1232133442 is about 1072.0603855353.

Adding to 1232133442 its reverse (2443312321), we get a palindrome (3675445763).

The spelling of 1232133442 in words is "one billion, two hundred thirty-two million, one hundred thirty-three thousand, four hundred forty-two".