201281274 has 28 divisors (see below), whose sum is σ = 452679066. Its totient is φ = 67093272.

The previous prime is 201281251. The next prime is 201281281. The reversal of 201281274 is 472182102.

It can be written as a sum of positive squares in only one way, i.e., 131675625 + 69605649 = 11475^2 + 8343^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 67569 + ... + 70484.

Almost surely, 2^201281274 is an apocalyptic number.

201281274 is an abundant number, since it is smaller than the sum of its proper divisors (251397792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201281274 is an equidigital number, since it uses as much as digits as its factorization.

201281274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138073 (or 138058 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 201281274 is about 14187.3631799570. The cubic root of 201281274 is about 586.0497129215.

The spelling of 201281274 in words is "two hundred one million, two hundred eighty-one thousand, two hundred seventy-four".