201279 has 12 divisors (see below), whose sum is σ = 291336. Its totient is φ = 123552.

The previous prime is 201251. The next prime is 201281. The reversal of 201279 is 972102.

It is a happy number.

It is not a de Polignac number, because 201279 - 2⁵ = 201247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309 + ... + 705.

It is an arithmetic number, because the mean of its divisors is an integer number (24278).

2²⁰¹²⁷⁹ is an apocalyptic number.

201279 is a deficient number, since it is larger than the sum of its proper divisors (90057).

201279 is a wasteful number, since it uses less digits than its factorization.

201279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 413 counting only the distinct ones).

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

The square root of 201279 is about 448.6412820952. The cubic root of 201279 is about 58.6047505924.

The spelling of 201279 in words is "two hundred one thousand, two hundred seventy-nine".