1322971 has 8 divisors (see below), whose sum is σ = 1436400. Its totient is φ = 1211232.

The previous prime is 1322963. The next prime is 1322977. The reversal of 1322971 is 1792231.

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

It is a cyclic number.

It is not a de Polignac number, because 1322971 - 2³ = 1322963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596 + ... + 2278.

It is an arithmetic number, because the mean of its divisors is an integer number (179550).

2^1322971 is an apocalyptic number.

1322971 is a deficient number, since it is larger than the sum of its proper divisors (113429).

1322971 is a wasteful number, since it uses less digits than its factorization.

1322971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845.

The product of its digits is 756, while the sum is 25.

The square root of 1322971 is about 1150.2047643789. The cubic root of 1322971 is about 109.7783691794.

The spelling of 1322971 in words is "one million, three hundred twenty-two thousand, nine hundred seventy-one".