201911061 has 8 divisors (see below), whose sum is σ = 293688864. Its totient is φ = 122370320.

The previous prime is 201911053. The next prime is 201911063. The reversal of 201911061 is 160119102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201911061 - 2³ = 201911053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201911063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3059226 + ... + 3059291.

It is an arithmetic number, because the mean of its divisors is an integer number (36711108).

Almost surely, 2^201911061 is an apocalyptic number.

It is an amenable number.

201911061 is a deficient number, since it is larger than the sum of its proper divisors (91777803).

201911061 is a wasteful number, since it uses less digits than its factorization.

201911061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118531.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 201911061 is about 14209.5411959711. The cubic root of 201911061 is about 586.6603049342.

The spelling of 201911061 in words is "two hundred one million, nine hundred eleven thousand, sixty-one".