4242121033 has 4 divisors (see below), whose sum is σ = 4244048848. Its totient is φ = 4240193220.

The previous prime is 4242120997. The next prime is 4242121049. The reversal of 4242121033 is 3301212424.

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 4242121033 - 2²⁹ = 3705250121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4242120995 and 4242121013.

It is not an unprimeable number, because it can be changed into a prime (4242121133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960603 + ... + 965008.

It is an arithmetic number, because the mean of its divisors is an integer number (1061012212).

Almost surely, 2^4242121033 is an apocalyptic number.

It is an amenable number.

4242121033 is a deficient number, since it is larger than the sum of its proper divisors (1927815).

4242121033 is a wasteful number, since it uses less digits than its factorization.

4242121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927814.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4242121033 is about 65131.5671007538. The cubic root of 4242121033 is about 1618.8043091095.

Adding to 4242121033 its reverse (3301212424), we get a palindrome (7543333457).

The spelling of 4242121033 in words is "four billion, two hundred forty-two million, one hundred twenty-one thousand, thirty-three".