126742218 has 16 divisors (see below), whose sum is σ = 253631136. Its totient is φ = 42222960.

The previous prime is 126742211. The next prime is 126742223. The reversal of 126742218 is 812247621.

It is not an unprimeable number, because it can be changed into a prime (126742211) 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, 7428 + ... + 17568.

It is an arithmetic number, because the mean of its divisors is an integer number (15851946).

Almost surely, 2^126742218 is an apocalyptic number.

126742218 is an abundant number, since it is smaller than the sum of its proper divisors (126888918).

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

126742218 is a wasteful number, since it uses less digits than its factorization.

126742218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12229.

The product of its digits is 10752, while the sum is 33.

The square root of 126742218 is about 11257.9846331393. The cubic root of 126742218 is about 502.3122478697.

Adding to 126742218 its reverse (812247621), we get a palindrome (938989839).

The spelling of 126742218 in words is "one hundred twenty-six million, seven hundred forty-two thousand, two hundred eighteen".