1042071273 has 12 divisors (see below), whose sum is σ = 1505604100. Its totient is φ = 694534176.

The previous prime is 1042071259. The next prime is 1042071307. The reversal of 1042071273 is 3721702401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 640950489 + 401120784 = 25317^2 + 20028^2 .

It is not a de Polignac number, because 1042071273 - 2⁴ = 1042071257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042071203) 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 11 ways as a sum of consecutive naturals, for example, 28215 + ... + 53667.

Almost surely, 2^1042071273 is an apocalyptic number.

It is an amenable number.

1042071273 is a deficient number, since it is larger than the sum of its proper divisors (463532827).

1042071273 is a wasteful number, since it uses less digits than its factorization.

1042071273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30008 (or 30005 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1042071273 is about 32281.1287442060. The cubic root of 1042071273 is about 1013.8315634699.

Adding to 1042071273 its reverse (3721702401), we get a palindrome (4763773674).

The spelling of 1042071273 in words is "one billion, forty-two million, seventy-one thousand, two hundred seventy-three".