971115 has 16 divisors (see below), whose sum is σ = 1571616. Its totient is φ = 512000.

The previous prime is 971111. The next prime is 971141. The reversal of 971115 is 511179.

971115 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 971115 - 2² = 971111 is a prime.

971115 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 971115.

It is not an unprimeable number, because it can be changed into a prime (971111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195 + ... + 1835.

It is an arithmetic number, because the mean of its divisors is an integer number (98226).

2⁹⁷¹¹¹⁵ is an apocalyptic number.

971115 is a deficient number, since it is larger than the sum of its proper divisors (600501).

971115 is a wasteful number, since it uses less digits than its factorization.

971115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its digits is 315, while the sum is 24.

The square root of 971115 is about 985.4516730921. The cubic root of 971115 is about 99.0277444941.

The spelling of 971115 in words is "nine hundred seventy-one thousand, one hundred fifteen".