126242124 has 24 divisors (see below), whose sum is σ = 307372800. Its totient is φ = 40251024.

The previous prime is 126242117. The next prime is 126242143. The reversal of 126242124 is 421242621.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 126242094 and 126242103.

It is an unprimeable number.

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, 228424 + ... + 228975.

It is an arithmetic number, because the mean of its divisors is an integer number (12807200).

Almost surely, 2^126242124 is an apocalyptic number.

It is an amenable number.

126242124 is an abundant number, since it is smaller than the sum of its proper divisors (181130676).

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

126242124 is a wasteful number, since it uses less digits than its factorization.

126242124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457429 (or 457427 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 126242124 is about 11235.7520442559. The cubic root of 126242124 is about 501.6507096514.

Adding to 126242124 its reverse (421242621), we get a palindrome (547484745).

The spelling of 126242124 in words is "one hundred twenty-six million, two hundred forty-two thousand, one hundred twenty-four".