201051 has 12 divisors (see below), whose sum is σ = 294840. Its totient is φ = 132000.

The previous prime is 201049. The next prime is 201073. The reversal of 201051 is 150102.

It is a happy number.

201051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201051 - 2¹ = 201049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (201011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 676 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (24570).

2²⁰¹⁰⁵¹ is an apocalyptic number.

201051 is a deficient number, since it is larger than the sum of its proper divisors (93789).

201051 is a wasteful number, since it uses less digits than its factorization.

201051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 201051 is about 448.3871095382. The cubic root of 201051 is about 58.5826139370.

Adding to 201051 its reverse (150102), we get a palindrome (351153).

The spelling of 201051 in words is "two hundred one thousand, fifty-one".