1350220 has 12 divisors (see below), whose sum is σ = 2835504. Its totient is φ = 540080.

The previous prime is 1350203. The next prime is 1350229. The reversal of 1350220 is 220531.

It is a self number, because there is not a number n which added to its sum of digits gives 1350220.

It is not an unprimeable number, because it can be changed into a prime (1350229) 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, 33736 + ... + 33775.

It is an arithmetic number, because the mean of its divisors is an integer number (236292).

2^1350220 is an apocalyptic number.

1350220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350220 is an abundant number, since it is smaller than the sum of its proper divisors (1485284).

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

1350220 is a wasteful number, since it uses less digits than its factorization.

1350220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67520 (or 67518 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1350220 is about 1161.9896729317. The cubic root of 1350220 is about 110.5269482400.

Adding to 1350220 its reverse (220531), we get a palindrome (1570751).

The spelling of 1350220 in words is "one million, three hundred fifty thousand, two hundred twenty".