201055 has 8 divisors (see below), whose sum is σ = 244800. Its totient is φ = 158496.

The previous prime is 201049. The next prime is 201073. The reversal of 201055 is 550102.

201055 = 6² + 7² + ... + 84².

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

It is a cyclic number.

It is not a de Polignac number, because 201055 - 2⁷ = 200927 is a prime.

It is a super-2 number, since 2×201055² = 80846226050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (30600).

2²⁰¹⁰⁵⁵ is an apocalyptic number.

201055 is a deficient number, since it is larger than the sum of its proper divisors (43745).

201055 is an equidigital number, since it uses as much as digits as its factorization.

201055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 201055 is about 448.3915699475. The cubic root of 201055 is about 58.5830024436.

Adding to 201055 its reverse (550102), we get a palindrome (751157).

The spelling of 201055 in words is "two hundred one thousand, fifty-five".