126550216 has 32 divisors (see below), whose sum is σ = 256467960. Its totient is φ = 58194432.

The previous prime is 126550211. The next prime is 126550267. The reversal of 126550216 is 612055621.

It can be written as a sum of positive squares in 4 ways, for example, as 80174116 + 46376100 = 8954^2 + 6810^2 .

It is not an unprimeable number, because it can be changed into a prime (126550211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28396 + ... + 32548.

Almost surely, 2^126550216 is an apocalyptic number.

It is an amenable number.

126550216 is an abundant number, since it is smaller than the sum of its proper divisors (129917744).

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

126550216 is a wasteful number, since it uses less digits than its factorization.

126550216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465 (or 4461 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 126550216 is about 11249.4540311964. The cubic root of 126550216 is about 502.0584684522.

The spelling of 126550216 in words is "one hundred twenty-six million, five hundred fifty thousand, two hundred sixteen".