1065967892 has 18 divisors (see below), whose sum is σ = 2050447434. Its totient is φ = 484530640.

The previous prime is 1065967883. The next prime is 1065967901. The reversal of 1065967892 is 2987695601.

It is an interprime number because it is at equal distance from previous prime (1065967883) and next prime (1065967901).

It can be written as a sum of positive squares in only one way, i.e., 1021825156 + 44142736 = 31966^2 + 6644^2 .

It is a super-2 number, since 2×1065967892² = 2272575093549847328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1100723 + ... + 1101690.

Almost surely, 2^1065967892 is an apocalyptic number.

It is an amenable number.

1065967892 is a deficient number, since it is larger than the sum of its proper divisors (984479542).

1065967892 is a wasteful number, since it uses less digits than its factorization.

1065967892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202439 (or 2202426 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 1065967892 is about 32649.1637258904. The cubic root of 1065967892 is about 1021.5227454450.

The spelling of 1065967892 in words is "one billion, sixty-five million, nine hundred sixty-seven thousand, eight hundred ninety-two".