1072971 has 12 divisors (see below), whose sum is σ = 1603680. Its totient is φ = 690480.

The previous prime is 1072969. The next prime is 1072991. The reversal of 1072971 is 1792701.

It is not a de Polignac number, because 1072971 - 2¹ = 1072969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072901) 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 11 ways as a sum of consecutive naturals, for example, 1795 + ... + 2316.

It is an arithmetic number, because the mean of its divisors is an integer number (133640).

2^1072971 is an apocalyptic number.

1072971 is a deficient number, since it is larger than the sum of its proper divisors (530709).

1072971 is a wasteful number, since it uses less digits than its factorization.

1072971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 1072971 is about 1035.8431348423. The cubic root of 1072971 is about 102.3754902990.

The spelling of 1072971 in words is "one million, seventy-two thousand, nine hundred seventy-one".