1042065228 has 12 divisors (see below), whose sum is σ = 2431485560. Its totient is φ = 347355072.

The previous prime is 1042065197. The next prime is 1042065229. The reversal of 1042065228 is 8225602401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1042065195 and 1042065204.

It is not an unprimeable number, because it can be changed into a prime (1042065229) 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, 43419373 + ... + 43419396.

Almost surely, 2^1042065228 is an apocalyptic number.

It is an amenable number.

1042065228 is an abundant number, since it is smaller than the sum of its proper divisors (1389420332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042065228 is a wasteful number, since it uses less digits than its factorization.

1042065228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86838776 (or 86838774 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1042065228 is about 32281.0351135152. The cubic root of 1042065228 is about 1013.8296030718.

Adding to 1042065228 its reverse (8225602401), we get a palindrome (9267667629).

The spelling of 1042065228 in words is "one billion, forty-two million, sixty-five thousand, two hundred twenty-eight".