126012166 has 16 divisors (see below), whose sum is σ = 216175104. Its totient is φ = 53966664.

The previous prime is 126012151. The next prime is 126012169. The reversal of 126012166 is 661210621.

It is a self number, because there is not a number n which added to its sum of digits gives 126012166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126012169) 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, 26701 + ... + 31063.

It is an arithmetic number, because the mean of its divisors is an integer number (13510944).

Almost surely, 2^126012166 is an apocalyptic number.

126012166 is a deficient number, since it is larger than the sum of its proper divisors (90162938).

126012166 is a wasteful number, since it uses less digits than its factorization.

126012166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 126012166 is about 11225.5140639527. The cubic root of 126012166 is about 501.3459283694.

Adding to 126012166 its reverse (661210621), we get a palindrome (787222787).

The spelling of 126012166 in words is "one hundred twenty-six million, twelve thousand, one hundred sixty-six".