126216170 has 16 divisors (see below), whose sum is σ = 228826080. Its totient is φ = 50122704.

The previous prime is 126216169. The next prime is 126216179. The reversal of 126216170 is 71612621.

It is not an unprimeable number, because it can be changed into a prime (126216179) 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, 44012 + ... + 46791.

It is an arithmetic number, because the mean of its divisors is an integer number (14301630).

Almost surely, 2^126216170 is an apocalyptic number.

126216170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126216170 is a deficient number, since it is larger than the sum of its proper divisors (102609910).

126216170 is a wasteful number, since it uses less digits than its factorization.

126216170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90949.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 126216170 is about 11234.5970110191. The cubic root of 126216170 is about 501.6163293287.

Adding to 126216170 its reverse (71612621), we get a palindrome (197828791).

The spelling of 126216170 in words is "one hundred twenty-six million, two hundred sixteen thousand, one hundred seventy".