1058420 has 48 divisors (see below), whose sum is σ = 2576448. Its totient is φ = 360960.

The previous prime is 1058419. The next prime is 1058423. The reversal of 1058420 is 248501.

It is a super-2 number, since 2×1058420² = 2240505792800, which contains 22 as substring.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1058392 and 1058401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3599 + ... + 3881.

It is an arithmetic number, because the mean of its divisors is an integer number (53676).

2^1058420 is an apocalyptic number.

1058420 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 1058420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288224).

1058420 is an abundant number, since it is smaller than the sum of its proper divisors (1518028).

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

1058420 is a wasteful number, since it uses less digits than its factorization.

1058420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1058420 is about 1028.7954121204. The cubic root of 1058420 is about 101.9105970425.

The spelling of 1058420 in words is "one million, fifty-eight thousand, four hundred twenty".