972199 has 2 divisors, whose sum is σ = 972200. Its totient is φ = 972198.

The previous prime is 972197. The next prime is 972221. The reversal of 972199 is 991279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 972199 - 2¹ = 972197 is a prime.

Together with 972197, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486099 + 486100.

It is an arithmetic number, because the mean of its divisors is an integer number (486100).

2⁹⁷²¹⁹⁹ is an apocalyptic number.

972199 is a deficient number, since it is larger than the sum of its proper divisors (1).

972199 is an equidigital number, since it uses as much as digits as its factorization.

972199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 37.

The square root of 972199 is about 986.0015212970. The cubic root of 972199 is about 99.0645771241.

The spelling of 972199 in words is "nine hundred seventy-two thousand, one hundred ninety-nine".