201026834 has 4 divisors (see below), whose sum is σ = 301540254. Its totient is φ = 100513416.

The previous prime is 201026807. The next prime is 201026843. The reversal of 201026834 is 438620102.

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

It can be written as a sum of positive squares in only one way, i.e., 180821809 + 20205025 = 13447^2 + 4495^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50256707 + ... + 50256710.

Almost surely, 2^201026834 is an apocalyptic number.

201026834 is a deficient number, since it is larger than the sum of its proper divisors (100513420).

201026834 is a wasteful number, since it uses less digits than its factorization.

201026834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100513419.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 201026834 is about 14178.3932093873. The cubic root of 201026834 is about 585.8026666496.

Adding to 201026834 its reverse (438620102), we get a palindrome (639646936).

The spelling of 201026834 in words is "two hundred one million, twenty-six thousand, eight hundred thirty-four".