208572126 has 32 divisors (see below), whose sum is σ = 486470400. Its totient is φ = 59591448.

The previous prime is 208572107. The next prime is 208572127. The reversal of 208572126 is 621275802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208572127) 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 15 ways as a sum of consecutive naturals, for example, 48616 + ... + 52731.

It is an arithmetic number, because the mean of its divisors is an integer number (15202200).

Almost surely, 2^208572126 is an apocalyptic number.

208572126 is an abundant number, since it is smaller than the sum of its proper divisors (277898274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208572126 is a wasteful number, since it uses less digits than its factorization.

208572126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101373 (or 101359 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 208572126 is about 14442.0263813635. The cubic root of 208572126 is about 593.0419602764.

The spelling of 208572126 in words is "two hundred eight million, five hundred seventy-two thousand, one hundred twenty-six".