971199 has 18 divisors (see below), whose sum is σ = 1473056. Its totient is φ = 615960.

The previous prime is 971197. The next prime is 971207. The reversal of 971199 is 991179.

It is not a de Polignac number, because 971199 - 2¹ = 971197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971197) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16432 + ... + 16490.

2⁹⁷¹¹⁹⁹ is an apocalyptic number.

971199 is a deficient number, since it is larger than the sum of its proper divisors (501857).

971199 is a wasteful number, since it uses less digits than its factorization.

971199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 93 counting only the distinct ones).

The product of its digits is 5103, while the sum is 36.

The square root of 971199 is about 985.4942922209. The cubic root of 971199 is about 99.0305996626.

It can be divided in two parts, 97 and 1199, that added together give a 4-th power (1296 = 6⁴).

The spelling of 971199 in words is "nine hundred seventy-one thousand, one hundred ninety-nine".