972201 has 4 divisors (see below), whose sum is σ = 1296272. Its totient is φ = 648132.

The previous prime is 972199. The next prime is 972221. The reversal of 972201 is 102279.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 972201 - 2¹ = 972199 is a prime.

It is a D-number.

It is a Duffinian number.

972201 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 972201.

It is not an unprimeable number, because it can be changed into a prime (972221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162031 + ... + 162036.

It is an arithmetic number, because the mean of its divisors is an integer number (324068).

2⁹⁷²²⁰¹ is an apocalyptic number.

It is an amenable number.

972201 is a deficient number, since it is larger than the sum of its proper divisors (324071).

972201 is a wasteful number, since it uses less digits than its factorization.

972201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324070.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 972201 is about 986.0025354937. The cubic root of 972201 is about 99.0646450557.

The spelling of 972201 in words is "nine hundred seventy-two thousand, two hundred one".