972099 has 6 divisors (see below), whose sum is σ = 1404156. Its totient is φ = 648060.

The previous prime is 972091. The next prime is 972113. The reversal of 972099 is 990279.

It is not a de Polignac number, because 972099 - 2³ = 972091 is a prime.

972099 is a lucky number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 972099.

It is not an unprimeable number, because it can be changed into a prime (972091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53997 + ... + 54014.

It is an arithmetic number, because the mean of its divisors is an integer number (234026).

2⁹⁷²⁰⁹⁹ is an apocalyptic number.

972099 is a deficient number, since it is larger than the sum of its proper divisors (432057).

972099 is a wasteful number, since it uses less digits than its factorization.

972099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108017 (or 108014 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 972099 is about 985.9508101320. The cubic root of 972099 is about 99.0611804267.

The spelling of 972099 in words is "nine hundred seventy-two thousand, ninety-nine".