1270328 has 8 divisors (see below), whose sum is σ = 2381880. Its totient is φ = 635160.

The previous prime is 1270327. The next prime is 1270333. The reversal of 1270328 is 8230721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1270328² = 3227466455168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79388 + ... + 79403.

It is an arithmetic number, because the mean of its divisors is an integer number (297735).

2^1270328 is an apocalyptic number.

It is an amenable number.

1270328 is a deficient number, since it is larger than the sum of its proper divisors (1111552).

1270328 is a wasteful number, since it uses less digits than its factorization.

1270328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158797 (or 158793 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1270328 is about 1127.0882840310. The cubic root of 1270328 is about 108.3025353610.

The spelling of 1270328 in words is "one million, two hundred seventy thousand, three hundred twenty-eight".