1042205213 has 32 divisors (see below), whose sum is σ = 1329758208. Its totient is φ = 796204800.

The previous prime is 1042205183. The next prime is 1042205221. The reversal of 1042205213 is 3125022401.

It is a cyclic number.

It is not a de Polignac number, because 1042205213 - 2²⁶ = 975096349 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 (1042205273) 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 31 ways as a sum of consecutive naturals, for example, 170378 + ... + 176388.

It is an arithmetic number, because the mean of its divisors is an integer number (41554944).

Almost surely, 2^1042205213 is an apocalyptic number.

It is an amenable number.

1042205213 is a deficient number, since it is larger than the sum of its proper divisors (287552995).

1042205213 is a wasteful number, since it uses less digits than its factorization.

1042205213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1042205213 is about 32283.2032642363. The cubic root of 1042205213 is about 1013.8749983691.

Adding to 1042205213 its reverse (3125022401), we get a palindrome (4167227614).

The spelling of 1042205213 in words is "one billion, forty-two million, two hundred five thousand, two hundred thirteen".