126202134 has 16 divisors (see below), whose sum is σ = 252541872. Its totient is φ = 42044448.

The previous prime is 126202133. The next prime is 126202177. The reversal of 126202134 is 431202621.

It is a self number, because there is not a number n which added to its sum of digits gives 126202134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126202133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9172 + ... + 18344.

It is an arithmetic number, because the mean of its divisors is an integer number (15783867).

Almost surely, 2^126202134 is an apocalyptic number.

126202134 is an abundant number, since it is smaller than the sum of its proper divisors (126339738).

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

126202134 is a wasteful number, since it uses less digits than its factorization.

126202134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11471.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 126202134 is about 11233.9723161489. The cubic root of 126202134 is about 501.5977343848.

Adding to 126202134 its reverse (431202621), we get a palindrome (557404755).

The spelling of 126202134 in words is "one hundred twenty-six million, two hundred two thousand, one hundred thirty-four".