971099 has 2 divisors, whose sum is σ = 971100. Its totient is φ = 971098.

The previous prime is 971093. The next prime is 971111. The reversal of 971099 is 990179.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (990179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 971099 - 2¹² = 967003 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (971093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485549 + 485550.

It is an arithmetic number, because the mean of its divisors is an integer number (485550).

2⁹⁷¹⁰⁹⁹ is an apocalyptic number.

971099 is a deficient number, since it is larger than the sum of its proper divisors (1).

971099 is an equidigital number, since it uses as much as digits as its factorization.

971099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 35.

The square root of 971099 is about 985.4435549538. The cubic root of 971099 is about 99.0272006339.

The spelling of 971099 in words is "nine hundred seventy-one thousand, ninety-nine".