971261199 has 40 divisors (see below), whose sum is σ = 1486145232. Its totient is φ = 631912320.

The previous prime is 971261197. The next prime is 971261201. The reversal of 971261199 is 991162179.

971261199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (971261197) and next prime (971261201).

It is not a de Polignac number, because 971261199 - 2¹ = 971261197 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971261191) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 999784 + ... + 1000754.

Almost surely, 2^971261199 is an apocalyptic number.

971261199 is a deficient number, since it is larger than the sum of its proper divisors (514884033).

971261199 is a wasteful number, since it uses less digits than its factorization.

971261199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1260 counting only the distinct ones).

The product of its digits is 61236, while the sum is 45.

The square root of 971261199 is about 31165.0637573550. The cubic root of 971261199 is about 990.3271370675.

The spelling of 971261199 in words is "nine hundred seventy-one million, two hundred sixty-one thousand, one hundred ninety-nine".