1042213105 has 8 divisors (see below), whose sum is σ = 1263549672. Its totient is φ = 825174528.

The previous prime is 1042213097. The next prime is 1042213127. The reversal of 1042213105 is 5013122401.

It can be written as a sum of positive squares in 4 ways, for example, as 347785201 + 694427904 = 18649^2 + 26352^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042213105 - 2³ = 1042213097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073962 + ... + 1074931.

It is an arithmetic number, because the mean of its divisors is an integer number (157943709).

Almost surely, 2^1042213105 is an apocalyptic number.

It is an amenable number.

1042213105 is a deficient number, since it is larger than the sum of its proper divisors (221336567).

1042213105 is an equidigital number, since it uses as much as digits as its factorization.

1042213105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148995.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1042213105 is about 32283.3254947504. The cubic root of 1042213105 is about 1013.8775575201.

Adding to 1042213105 its reverse (5013122401), we get a palindrome (6055335506).

The spelling of 1042213105 in words is "one billion, forty-two million, two hundred thirteen thousand, one hundred five".