971011 has 4 divisors (see below), whose sum is σ = 973152. Its totient is φ = 968872.

The previous prime is 970999. The next prime is 971021. The reversal of 971011 is 110179.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110179 = 239 ⋅461.

It is a cyclic number.

It is not a de Polignac number, because 971011 - 2⁷ = 970883 is a prime.

It is a Duffinian number.

971011 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 971011.

It is not an unprimeable number, because it can be changed into a prime (971021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91 + ... + 1396.

It is an arithmetic number, because the mean of its divisors is an integer number (243288).

2⁹⁷¹⁰¹¹ is an apocalyptic number.

971011 is a deficient number, since it is larger than the sum of its proper divisors (2141).

971011 is a wasteful number, since it uses less digits than its factorization.

971011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140.

The product of its (nonzero) digits is 63, while the sum is 19.

The square root of 971011 is about 985.3989039978. The cubic root of 971011 is about 99.0242092956.

The spelling of 971011 in words is "nine hundred seventy-one thousand, eleven".