1042215133 has 4 divisors (see below), whose sum is σ = 1075835008. Its totient is φ = 1008595260.

The previous prime is 1042215091. The next prime is 1042215157. The reversal of 1042215133 is 3315122401.

It is a happy number.

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 1042215133 - 2²⁵ = 1008660701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042219133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16809891 + ... + 16809952.

It is an arithmetic number, because the mean of its divisors is an integer number (268958752).

Almost surely, 2^1042215133 is an apocalyptic number.

It is an amenable number.

1042215133 is a deficient number, since it is larger than the sum of its proper divisors (33619875).

1042215133 is an equidigital number, since it uses as much as digits as its factorization.

1042215133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33619874.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1042215133 is about 32283.3569041387. The cubic root of 1042215133 is about 1013.8782151406.

Adding to 1042215133 its reverse (3315122401), we get a palindrome (4357337534).

The spelling of 1042215133 in words is "one billion, forty-two million, two hundred fifteen thousand, one hundred thirty-three".