1068820 has 12 divisors (see below), whose sum is σ = 2244564. Its totient is φ = 427520.

The previous prime is 1068817. The next prime is 1068857. The reversal of 1068820 is 288601.

It can be written as a sum of positive squares in 2 ways, for example, as 544644 + 524176 = 738^2 + 724^2 .

It is a super-2 number, since 2×1068820² = 2284752384800, 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, 26701 + ... + 26740.

It is an arithmetic number, because the mean of its divisors is an integer number (187047).

2^1068820 is an apocalyptic number.

1068820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1068820 is an abundant number, since it is smaller than the sum of its proper divisors (1175744).

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

1068820 is a wasteful number, since it uses less digits than its factorization.

1068820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53450 (or 53448 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1068820 is about 1033.8375114108. The cubic root of 1068820 is about 102.2432997564.

The spelling of 1068820 in words is "one million, sixty-eight thousand, eight hundred twenty".