1242434033 has 4 divisors (see below), whose sum is σ = 1296452928. Its totient is φ = 1188415140.

The previous prime is 1242434023. The next prime is 1242434051. The reversal of 1242434033 is 3304342421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1242434033 - 2²⁶ = 1175325169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242433993 and 1242434011.

It is not an unprimeable number, because it can be changed into a prime (1242434023) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 27009413 + ... + 27009458.

It is an arithmetic number, because the mean of its divisors is an integer number (324113232).

Almost surely, 2^1242434033 is an apocalyptic number.

It is an amenable number.

1242434033 is a deficient number, since it is larger than the sum of its proper divisors (54018895).

1242434033 is an equidigital number, since it uses as much as digits as its factorization.

1242434033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54018894.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1242434033 is about 35248.1777259478. The cubic root of 1242434033 is about 1075.0395609742.

Adding to 1242434033 its reverse (3304342421), we get a palindrome (4546776454).

The spelling of 1242434033 in words is "one billion, two hundred forty-two million, four hundred thirty-four thousand, thirty-three".