201217148 has 12 divisors (see below), whose sum is σ = 384141912. Its totient is φ = 91462320.

The previous prime is 201217141. The next prime is 201217171. The reversal of 201217148 is 841712102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201217141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2286515 + ... + 2286602.

It is an arithmetic number, because the mean of its divisors is an integer number (32011826).

Almost surely, 2^201217148 is an apocalyptic number.

It is an amenable number.

201217148 is a deficient number, since it is larger than the sum of its proper divisors (182924764).

201217148 is a wasteful number, since it uses less digits than its factorization.

201217148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573132 (or 4573130 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 201217148 is about 14185.1030309970. The cubic root of 201217148 is about 585.9874699802.

The spelling of 201217148 in words is "two hundred one million, two hundred seventeen thousand, one hundred forty-eight".