126276616 has 8 divisors (see below), whose sum is σ = 236768670. Its totient is φ = 63138304.

The previous prime is 126276613. The next prime is 126276617. The reversal of 126276616 is 616672621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78251716 + 48024900 = 8846^2 + 6930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×126276616² = 31891567496822912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126276611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7892281 + ... + 7892296.

Almost surely, 2^126276616 is an apocalyptic number.

It is an amenable number.

126276616 is a deficient number, since it is larger than the sum of its proper divisors (110492054).

126276616 is a wasteful number, since it uses less digits than its factorization.

126276616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15784583 (or 15784579 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 126276616 is about 11237.2868611600. The cubic root of 126276616 is about 501.6963926615.

The spelling of 126276616 in words is "one hundred twenty-six million, two hundred seventy-six thousand, six hundred sixteen".