1330971 has 8 divisors (see below), whose sum is σ = 1780224. Its totient is φ = 884520.

The previous prime is 1330963. The next prime is 1330997. The reversal of 1330971 is 1790331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1330971 - 2³ = 1330963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006 + ... + 1916.

It is an arithmetic number, because the mean of its divisors is an integer number (222528).

2^1330971 is an apocalyptic number.

1330971 is a deficient number, since it is larger than the sum of its proper divisors (449253).

1330971 is an equidigital number, since it uses as much as digits as its factorization.

1330971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

The product of its (nonzero) digits is 567, while the sum is 24.

The square root of 1330971 is about 1153.6771645482. The cubic root of 1330971 is about 109.9992010961. Note that the first 3 decimals are identical.

The spelling of 1330971 in words is "one million, three hundred thirty thousand, nine hundred seventy-one".