126305204 has 12 divisors (see below), whose sum is σ = 221383428. Its totient is φ = 63052800.

The previous prime is 126305149. The next prime is 126305209. The reversal of 126305204 is 402503621.

It can be written as a sum of positive squares in 2 ways, for example, as 79245604 + 47059600 = 8902^2 + 6860^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126305204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126305209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22067 + ... + 27194.

It is an arithmetic number, because the mean of its divisors is an integer number (18448619).

Almost surely, 2^126305204 is an apocalyptic number.

It is an amenable number.

126305204 is a deficient number, since it is larger than the sum of its proper divisors (95078224).

126305204 is a wasteful number, since it uses less digits than its factorization.

126305204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49906 (or 49904 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 126305204 is about 11238.5588044019. The cubic root of 126305204 is about 501.7342498006.

Adding to 126305204 its reverse (402503621), we get a palindrome (528808825).

The spelling of 126305204 in words is "one hundred twenty-six million, three hundred five thousand, two hundred four".