126556216 has 16 divisors (see below), whose sum is σ = 239027040. Its totient is φ = 62815680.

The previous prime is 126556201. The next prime is 126556219. The reversal of 126556216 is 612655621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126556219) 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, 56640 + ... + 58831.

It is an arithmetic number, because the mean of its divisors is an integer number (14939190).

Almost surely, 2^126556216 is an apocalyptic number.

It is an amenable number.

126556216 is a deficient number, since it is larger than the sum of its proper divisors (112470824).

126556216 is a wasteful number, since it uses less digits than its factorization.

126556216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115614 (or 115610 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 126556216 is about 11249.7207076443. The cubic root of 126556216 is about 502.0664028603.

The spelling of 126556216 in words is "one hundred twenty-six million, five hundred fifty-six thousand, two hundred sixteen".