1042244213 has 4 divisors (see below), whose sum is σ = 1042655328. Its totient is φ = 1041833100.

The previous prime is 1042244167. The next prime is 1042244219. The reversal of 1042244213 is 3124422401.

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 1042244213 - 2¹⁸ = 1041982069 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 (1042244219) 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, 201731 + ... + 206832.

It is an arithmetic number, because the mean of its divisors is an integer number (260663832).

Almost surely, 2^1042244213 is an apocalyptic number.

It is an amenable number.

1042244213 is a deficient number, since it is larger than the sum of its proper divisors (411115).

1042244213 is an equidigital number, since it uses as much as digits as its factorization.

1042244213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411114.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1042244213 is about 32283.8072878649. The cubic root of 1042244213 is about 1013.8876448330.

Adding to 1042244213 its reverse (3124422401), we get a palindrome (4166666614).

The spelling of 1042244213 in words is "one billion, forty-two million, two hundred forty-four thousand, two hundred thirteen".