201126151 has 4 divisors (see below), whose sum is σ = 201162600. Its totient is φ = 201089704.

The previous prime is 201126139. The next prime is 201126187. The reversal of 201126151 is 151621102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201126151 - 2¹¹ = 201124103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201126131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8056 + ... + 21613.

It is an arithmetic number, because the mean of its divisors is an integer number (50290650).

Almost surely, 2^201126151 is an apocalyptic number.

201126151 is a deficient number, since it is larger than the sum of its proper divisors (36449).

201126151 is an equidigital number, since it uses as much as digits as its factorization.

201126151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36448.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 201126151 is about 14181.8951836488. The cubic root of 201126151 is about 585.8991224040.

Adding to 201126151 its reverse (151621102), we get a palindrome (352747253).

The spelling of 201126151 in words is "two hundred one million, one hundred twenty-six thousand, one hundred fifty-one".