1075620 has 96 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 225792.

The previous prime is 1075619. The next prime is 1075621. The reversal of 1075620 is 265701.

It is an interprime number because it is at equal distance from previous prime (1075619) and next prime (1075621).

It is a super-3 number, since 3×1075620³ = 3733342732284984000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 197 × 195 × 28.

It is not an unprimeable number, because it can be changed into a prime (1075621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5362 + ... + 5558.

It is an arithmetic number, because the mean of its divisors is an integer number (38808).

2^1075620 is an apocalyptic number.

1075620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1075620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862784).

1075620 is an abundant number, since it is smaller than the sum of its proper divisors (2649948).

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

1075620 is a wasteful number, since it uses less digits than its factorization.

1075620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1075620 is about 1037.1210151183. The cubic root of 1075620 is about 102.4596708288.

The spelling of 1075620 in words is "one million, seventy-five thousand, six hundred twenty".