1242104033 has 4 divisors (see below), whose sum is σ = 1259598528. Its totient is φ = 1224609540.

The previous prime is 1242104011. The next prime is 1242104057. The reversal of 1242104033 is 3304012421.

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 1242104033 - 2⁶ = 1242103969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242103996 and 1242104014.

It is not an unprimeable number, because it can be changed into a prime (1242104533) 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, 8747141 + ... + 8747282.

It is an arithmetic number, because the mean of its divisors is an integer number (314899632).

Almost surely, 2^1242104033 is an apocalyptic number.

It is an amenable number.

1242104033 is a deficient number, since it is larger than the sum of its proper divisors (17494495).

1242104033 is an equidigital number, since it uses as much as digits as its factorization.

1242104033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17494494.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1242104033 is about 35243.4963220166. The cubic root of 1242104033 is about 1074.9443729644.

Adding to 1242104033 its reverse (3304012421), we get a palindrome (4546116454).

The spelling of 1242104033 in words is "one billion, two hundred forty-two million, one hundred four thousand, thirty-three".