1353420 has 72 divisors (see below), whose sum is σ = 4202016. Its totient is φ = 352512.

The previous prime is 1353397. The next prime is 1353433. The reversal of 1353420 is 243531.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1353393 and 1353402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13089 + ... + 13191.

2^1353420 is an apocalyptic number.

1353420 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 1353420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2101008).

1353420 is an abundant number, since it is smaller than the sum of its proper divisors (2848596).

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

1353420 is a wasteful number, since it uses less digits than its factorization.

1353420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1353420 is about 1163.3658066146. The cubic root of 1353420 is about 110.6141950569.

Adding to 1353420 its reverse (243531), we get a palindrome (1596951).

The spelling of 1353420 in words is "one million, three hundred fifty-three thousand, four hundred twenty".