1063280 has 20 divisors (see below), whose sum is σ = 2472312. Its totient is φ = 425280.

The previous prime is 1063273. The next prime is 1063303. The reversal of 1063280 is 823601.

1063280 = T₃₆₉ + T₃₇₀ + ... + T₃₈₃.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1063280² = 2261128716800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 6566 + ... + 6725.

2^1063280 is an apocalyptic number.

1063280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1063280 is an abundant number, since it is smaller than the sum of its proper divisors (1409032).

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

1063280 is a wasteful number, since it uses less digits than its factorization.

1063280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13304 (or 13298 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1063280 is about 1031.1546925656. The cubic root of 1063280 is about 102.0663415654.

Adding to 1063280 its reverse (823601), we get a palindrome (1886881).

The spelling of 1063280 in words is "one million, sixty-three thousand, two hundred eighty".