126240616 has 16 divisors (see below), whose sum is σ = 237125700. Its totient is φ = 63007104.

The previous prime is 126240613. The next prime is 126240619. The reversal of 126240616 is 616042621.

It is an interprime number because it is at equal distance from previous prime (126240613) and next prime (126240619).

It can be written as a sum of positive squares in 2 ways, for example, as 112148100 + 14092516 = 10590^2 + 3754^2 .

It is not an unprimeable number, because it can be changed into a prime (126240613) 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 3 ways as a sum of consecutive naturals, for example, 9315 + ... + 18418.

Almost surely, 2^126240616 is an apocalyptic number.

It is an amenable number.

126240616 is a deficient number, since it is larger than the sum of its proper divisors (110885084).

126240616 is a wasteful number, since it uses less digits than its factorization.

126240616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28308 (or 28304 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 126240616 is about 11235.6849368430. The cubic root of 126240616 is about 501.6487121874.

The spelling of 126240616 in words is "one hundred twenty-six million, two hundred forty thousand, six hundred sixteen".