201941001 has 6 divisors (see below), whose sum is σ = 291692570. Its totient is φ = 134627328.

The previous prime is 201940967. The next prime is 201941017. The reversal of 201941001 is 100149102.

It can be written as a sum of positive squares in only one way, i.e., 159365376 + 42575625 = 12624^2 + 6525^2 .

It is not a de Polignac number, because 201941001 - 2⁹ = 201940489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201941401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11218936 + ... + 11218953.

Almost surely, 2^201941001 is an apocalyptic number.

It is an amenable number.

201941001 is a deficient number, since it is larger than the sum of its proper divisors (89751569).

201941001 is a wasteful number, since it uses less digits than its factorization.

201941001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22437895 (or 22437892 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 201941001 is about 14210.5946743970. The cubic root of 201941001 is about 586.6893007725.

The spelling of 201941001 in words is "two hundred one million, nine hundred forty-one thousand, one".