1333420 has 72 divisors (see below), whose sum is σ = 3351600. Its totient is φ = 443520.

The previous prime is 1333417. The next prime is 1333457. The reversal of 1333420 is 243331.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1333394 and 1333403.

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, 45966 + ... + 45994.

It is an arithmetic number, because the mean of its divisors is an integer number (46550).

2^1333420 is an apocalyptic number.

1333420 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 1333420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675800).

1333420 is an abundant number, since it is smaller than the sum of its proper divisors (2018180).

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

1333420 is a wasteful number, since it uses less digits than its factorization.

1333420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1333420 is about 1154.7380655369. The cubic root of 1333420 is about 110.0666263034.

Adding to 1333420 its reverse (243331), we get a palindrome (1576751).

It can be divided in two parts, 133 and 3420, that added together give a palindrome (3553).

The spelling of 1333420 in words is "one million, three hundred thirty-three thousand, four hundred twenty".