1320270 has 32 divisors (see below), whose sum is σ = 3621888. Its totient is φ = 301728.

The previous prime is 1320251. The next prime is 1320287. The reversal of 1320270 is 720231.

It is a super-2 number, since 2×1320270² = 3486225745800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2934 + ... + 3353.

It is an arithmetic number, because the mean of its divisors is an integer number (113184).

2^1320270 is an apocalyptic number.

1320270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320270 is an abundant number, since it is smaller than the sum of its proper divisors (2301618).

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

1320270 is a wasteful number, since it uses less digits than its factorization.

1320270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 1320270 is about 1149.0300257173. The cubic root of 1320270 is about 109.7036098204.

The spelling of 1320270 in words is "one million, three hundred twenty thousand, two hundred seventy".