201069 has 16 divisors (see below), whose sum is σ = 325440. Its totient is φ = 121680.

The previous prime is 201049. The next prime is 201073. The reversal of 201069 is 960102.

201069 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 201069 - 2⁵ = 201037 is a prime.

It is a super-2 number, since 2×201069² = 80857485522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42 + ... + 635.

It is an arithmetic number, because the mean of its divisors is an integer number (20340).

2²⁰¹⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

201069 is a deficient number, since it is larger than the sum of its proper divisors (124371).

201069 is a wasteful number, since it uses less digits than its factorization.

201069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 201069 is about 448.4071810308. The cubic root of 201069 is about 58.5843621760.

It can be divided in two parts, 20 and 1069, that added together give a square (1089 = 33²).

The spelling of 201069 in words is "two hundred one thousand, sixty-nine".