972271 has 2 divisors, whose sum is σ = 972272. Its totient is φ = 972270.

The previous prime is 972263. The next prime is 972277. The reversal of 972271 is 172279.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (172279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 972271 - 2³ = 972263 is a prime.

972271 is a lucky number.

It is equal to p₇₆₅₂₈ and since 972271 and 76528 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486135 + 486136.

It is an arithmetic number, because the mean of its divisors is an integer number (486136).

2⁹⁷²²⁷¹ is an apocalyptic number.

972271 is a deficient number, since it is larger than the sum of its proper divisors (1).

972271 is an equidigital number, since it uses as much as digits as its factorization.

972271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 28.

The square root of 972271 is about 986.0380317209. The cubic root of 972271 is about 99.0670226020.

The spelling of 972271 in words is "nine hundred seventy-two thousand, two hundred seventy-one".