1042420033 has 4 divisors (see below), whose sum is σ = 1059508948. Its totient is φ = 1025331120.

The previous prime is 1042420031. The next prime is 1042420081. The reversal of 1042420033 is 3300242401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 536709889 + 505710144 = 23167^2 + 22488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042420033 - 2¹ = 1042420031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042420031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8544366 + ... + 8544487.

It is an arithmetic number, because the mean of its divisors is an integer number (264877237).

Almost surely, 2^1042420033 is an apocalyptic number.

It is an amenable number.

1042420033 is a deficient number, since it is larger than the sum of its proper divisors (17088915).

1042420033 is an equidigital number, since it uses as much as digits as its factorization.

1042420033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17088914.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1042420033 is about 32286.5302099808. The cubic root of 1042420033 is about 1013.9446537696.

Adding to 1042420033 its reverse (3300242401), we get a palindrome (4342662434).

The spelling of 1042420033 in words is "one billion, forty-two million, four hundred twenty thousand, thirty-three".