208542126 has 16 divisors (see below), whose sum is σ = 449167824. Its totient is φ = 64166784.

The previous prime is 208542071. The next prime is 208542133. The reversal of 208542126 is 621245802.

It is a junction number, because it is equal to n+sod(n) for n = 208542093 and 208542102.

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, 1336731 + ... + 1336886.

It is an arithmetic number, because the mean of its divisors is an integer number (28072989).

Almost surely, 2^208542126 is an apocalyptic number.

208542126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

208542126 is an abundant number, since it is smaller than the sum of its proper divisors (240625698).

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

208542126 is a wasteful number, since it uses less digits than its factorization.

208542126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673635.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 208542126 is about 14440.9877086022. The cubic root of 208542126 is about 593.0135254895.

Adding to 208542126 its reverse (621245802), we get a palindrome (829787928).

The spelling of 208542126 in words is "two hundred eight million, five hundred forty-two thousand, one hundred twenty-six".