201278 has 16 divisors (see below), whose sum is σ = 376704. Its totient is φ = 78360.

The previous prime is 201251. The next prime is 201281. The reversal of 201278 is 872102.

201278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500 + ... + 807.

It is an arithmetic number, because the mean of its divisors is an integer number (23544).

2²⁰¹²⁷⁸ is an apocalyptic number.

201278 is a deficient number, since it is larger than the sum of its proper divisors (175426).

201278 is a wasteful number, since it uses less digits than its factorization.

201278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 201278 is about 448.6401676177. The cubic root of 201278 is about 58.6046535383.

The spelling of 201278 in words is "two hundred one thousand, two hundred seventy-eight".