126536242 has 16 divisors (see below), whose sum is σ = 217855872. Its totient is φ = 53995680.

The previous prime is 126536237. The next prime is 126536243. The reversal of 126536242 is 242635621.

It is a super-2 number, since 2×126536242² = 32022841078965128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126536243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16134 + ... + 22657.

It is an arithmetic number, because the mean of its divisors is an integer number (13615992).

Almost surely, 2^126536242 is an apocalyptic number.

126536242 is a deficient number, since it is larger than the sum of its proper divisors (91319630).

126536242 is a wasteful number, since it uses less digits than its factorization.

126536242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39033.

The product of its digits is 17280, while the sum is 31.

The square root of 126536242 is about 11248.8329172408. The cubic root of 126536242 is about 502.0399882432.

The spelling of 126536242 in words is "one hundred twenty-six million, five hundred thirty-six thousand, two hundred forty-two".