201173841 has 32 divisors (see below), whose sum is σ = 336355200. Its totient is φ = 117714240.

The previous prime is 201173837. The next prime is 201173851. The reversal of 201173841 is 148371102.

It is not a de Polignac number, because 201173841 - 2² = 201173837 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (201173821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3066 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (10511100).

Almost surely, 2^201173841 is an apocalyptic number.

It is an amenable number.

201173841 is a deficient number, since it is larger than the sum of its proper divisors (135181359).

201173841 is a wasteful number, since it uses less digits than its factorization.

201173841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23406 (or 23400 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 201173841 is about 14183.5764530671. The cubic root of 201173841 is about 585.9454272080.

The spelling of 201173841 in words is "two hundred one million, one hundred seventy-three thousand, eight hundred forty-one".