1320030 has 32 divisors (see below), whose sum is σ = 3520800. Its totient is φ = 351936.

The previous prime is 1320023. The next prime is 1320031. The reversal of 1320030 is 300231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1319994 and 1320021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320031) 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, 2175 + ... + 2714.

It is an arithmetic number, because the mean of its divisors is an integer number (110025).

2^1320030 is an apocalyptic number.

1320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320030 is an abundant number, since it is smaller than the sum of its proper divisors (2200770).

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

1320030 is a wasteful number, since it uses less digits than its factorization.

1320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905 (or 4899 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 1320030 is about 1148.9255850576. The cubic root of 1320030 is about 109.6969620737.

Adding to 1320030 its reverse (300231), we get a palindrome (1620261).

The spelling of 1320030 in words is "one million, three hundred twenty thousand, thirty".