1065980 has 12 divisors (see below), whose sum is σ = 2238600. Its totient is φ = 426384.

The previous prime is 1065979. The next prime is 1066001. The reversal of 1065980 is 895601.

It is a super-2 number, since 2×1065980² = 2272626720800, 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 3 ways as a sum of consecutive naturals, for example, 26630 + ... + 26669.

It is an arithmetic number, because the mean of its divisors is an integer number (186550).

2^1065980 is an apocalyptic number.

1065980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065980 is an abundant number, since it is smaller than the sum of its proper divisors (1172620).

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

1065980 is a wasteful number, since it uses less digits than its factorization.

1065980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53308 (or 53306 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1065980 is about 1032.4630744002. The cubic root of 1065980 is about 102.1526613151.

The spelling of 1065980 in words is "one million, sixty-five thousand, nine hundred eighty".