126266516 has 12 divisors (see below), whose sum is σ = 221241300. Its totient is φ = 63054720.

The previous prime is 126266509. The next prime is 126266557. The reversal of 126266516 is 615662621.

It can be written as a sum of positive squares in 2 ways, for example, as 12630916 + 113635600 = 3554^2 + 10660^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 15941 + ... + 22508.

It is an arithmetic number, because the mean of its divisors is an integer number (18436775).

Almost surely, 2^126266516 is an apocalyptic number.

It is an amenable number.

126266516 is a deficient number, since it is larger than the sum of its proper divisors (94974784).

126266516 is a wasteful number, since it uses less digits than its factorization.

126266516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39274 (or 39272 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 126266516 is about 11236.8374554409. The cubic root of 126266516 is about 501.6830165543.

The spelling of 126266516 in words is "one hundred twenty-six million, two hundred sixty-six thousand, five hundred sixteen".