201401291 has 8 divisors (see below), whose sum is σ = 247878624. Its totient is φ = 159350400.

The previous prime is 201401281. The next prime is 201401297. The reversal of 201401291 is 192104102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201401291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201401297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106510 + ... + 1106691.

It is an arithmetic number, because the mean of its divisors is an integer number (30984828).

Almost surely, 2^201401291 is an apocalyptic number.

201401291 is a deficient number, since it is larger than the sum of its proper divisors (46477333).

201401291 is a wasteful number, since it uses less digits than its factorization.

201401291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213221.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 201401291 is about 14191.5922644360. The cubic root of 201401291 is about 586.1661701094.

Adding to 201401291 its reverse (192104102), we get a palindrome (393505393).

The spelling of 201401291 in words is "two hundred one million, four hundred one thousand, two hundred ninety-one".