126590198 has 16 divisors (see below), whose sum is σ = 228433920. Its totient is φ = 51397416.

The previous prime is 126590197. The next prime is 126590203. The reversal of 126590198 is 891095621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126590197) 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 7 ways as a sum of consecutive naturals, for example, 237686 + ... + 238217.

It is an arithmetic number, because the mean of its divisors is an integer number (14277120).

Almost surely, 2^126590198 is an apocalyptic number.

126590198 is a deficient number, since it is larger than the sum of its proper divisors (101843722).

126590198 is a wasteful number, since it uses less digits than its factorization.

126590198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475931.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 126590198 is about 11251.2309548778. The cubic root of 126590198 is about 502.1113359718. Note that the first 3 decimals are identical.

The spelling of 126590198 in words is "one hundred twenty-six million, five hundred ninety thousand, one hundred ninety-eight".