1065442612 has 12 divisors (see below), whose sum is σ = 2007949636. Its totient is φ = 491742720.

The previous prime is 1065442597. The next prime is 1065442619. The reversal of 1065442612 is 2162445601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 452583076 + 612859536 = 21274^2 + 24756^2 .

It is a super-2 number, since 2×1065442612² = 2270335918930765088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065442619) 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, 10244589 + ... + 10244692.

Almost surely, 2^1065442612 is an apocalyptic number.

It is an amenable number.

1065442612 is a deficient number, since it is larger than the sum of its proper divisors (942507024).

1065442612 is a wasteful number, since it uses less digits than its factorization.

1065442612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20489298 (or 20489296 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1065442612 is about 32641.1184244658. The cubic root of 1065442612 is about 1021.3549249962.

The spelling of 1065442612 in words is "one billion, sixty-five million, four hundred forty-two thousand, six hundred twelve".