1970971 has 8 divisors (see below), whose sum is σ = 2033600. Its totient is φ = 1909440.

The previous prime is 1970959. The next prime is 1970977. The reversal of 1970971 is 1790791.

It is a happy number.

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 1970971 - 2⁹ = 1970459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970977) 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, 4615 + ... + 5023.

It is an arithmetic number, because the mean of its divisors is an integer number (254200).

2^1970971 is an apocalyptic number.

1970971 is a deficient number, since it is larger than the sum of its proper divisors (62629).

1970971 is an equidigital number, since it uses as much as digits as its factorization.

1970971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 3969, while the sum is 34.

The square root of 1970971 is about 1403.9127465765. The cubic root of 1970971 is about 125.3795609679.

The spelling of 1970971 in words is "one million, nine hundred seventy thousand, nine hundred seventy-one".