201159001 has 4 divisors (see below), whose sum is σ = 202045392. Its totient is φ = 200272612.

The previous prime is 201158981. The next prime is 201159017. The reversal of 201159001 is 100951102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201159001 - 2¹³ = 201150809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201159001.

It is not an unprimeable number, because it can be changed into a prime (201159071) 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, 442855 + ... + 443308.

It is an arithmetic number, because the mean of its divisors is an integer number (50511348).

Almost surely, 2^201159001 is an apocalyptic number.

It is an amenable number.

201159001 is a deficient number, since it is larger than the sum of its proper divisors (886391).

201159001 is an equidigital number, since it uses as much as digits as its factorization.

201159001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886390.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 201159001 is about 14183.0533031502. The cubic root of 201159001 is about 585.9310190326.

The spelling of 201159001 in words is "two hundred one million, one hundred fifty-nine thousand, one".