1065620 has 12 divisors (see below), whose sum is σ = 2237844. Its totient is φ = 426240.

The previous prime is 1065601. The next prime is 1065629. The reversal of 1065620 is 265601.

It can be written as a sum of positive squares in 2 ways, for example, as 478864 + 586756 = 692^2 + 766^2 .

It is a super-2 number, since 2×1065620² = 2271091968800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 53281 = 1065620 / (1 + 0 + 6 + 5 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1065592 and 1065601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065629) 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, 26621 + ... + 26660.

It is an arithmetic number, because the mean of its divisors is an integer number (186487).

2^1065620 is an apocalyptic number.

1065620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065620 is an abundant number, since it is smaller than the sum of its proper divisors (1172224).

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

1065620 is a wasteful number, since it uses less digits than its factorization.

1065620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53290 (or 53288 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1065620 is about 1032.2887193029. The cubic root of 1065620 is about 102.1411604430.

The spelling of 1065620 in words is "one million, sixty-five thousand, six hundred twenty".