126040016 has 20 divisors (see below), whose sum is σ = 244670724. Its totient is φ = 62899200.

The previous prime is 126039961. The next prime is 126040037. The reversal of 126040016 is 610040621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84566416 + 41473600 = 9196^2 + 6440^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126040016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376 + ... + 15936.

Almost surely, 2^126040016 is an apocalyptic number.

126040016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126040016 is a deficient number, since it is larger than the sum of its proper divisors (118630708).

126040016 is a wasteful number, since it uses less digits than its factorization.

126040016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15110 (or 15104 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 126040016 is about 11226.7544731325. The cubic root of 126040016 is about 501.3828598712.

Adding to 126040016 its reverse (610040621), we get a palindrome (736080637).

The spelling of 126040016 in words is "one hundred twenty-six million, forty thousand, sixteen".