201200839 has 4 divisors (see below), whose sum is σ = 229943824. Its totient is φ = 172457856.

The previous prime is 201200837. The next prime is 201200873. The reversal of 201200839 is 938002102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938002102 = 2 ⋅469001051.

It is a cyclic number.

It is not a de Polignac number, because 201200839 - 2¹ = 201200837 is a prime.

It is a super-2 number, since 2×201200839² = 80963555228607842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201200837) 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, 14371482 + ... + 14371495.

It is an arithmetic number, because the mean of its divisors is an integer number (57485956).

Almost surely, 2^201200839 is an apocalyptic number.

201200839 is a deficient number, since it is larger than the sum of its proper divisors (28742985).

201200839 is an equidigital number, since it uses as much as digits as its factorization.

201200839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28742984.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 201200839 is about 14184.5281557054. The cubic root of 201200839 is about 585.9716377844.

The spelling of 201200839 in words is "two hundred one million, two hundred thousand, eight hundred thirty-nine".