201155272 has 8 divisors (see below), whose sum is σ = 377166150. Its totient is φ = 100577632.

The previous prime is 201155267. The next prime is 201155291. The reversal of 201155272 is 272551102.

It can be written as a sum of positive squares in only one way, i.e., 197290116 + 3865156 = 14046^2 + 1966^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12572197 + ... + 12572212.

Almost surely, 2^201155272 is an apocalyptic number.

It is an amenable number.

201155272 is a deficient number, since it is larger than the sum of its proper divisors (176010878).

201155272 is a wasteful number, since it uses less digits than its factorization.

201155272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25144415 (or 25144411 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 201155272 is about 14182.9218428362. The cubic root of 201155272 is about 585.9273984302.

The spelling of 201155272 in words is "two hundred one million, one hundred fifty-five thousand, two hundred seventy-two".