126939106 has 12 divisors (see below), whose sum is σ = 221495958. Its totient is φ = 54402432.

The previous prime is 126939091. The next prime is 126939143. The reversal of 126939106 is 601939621.

It can be written as a sum of positive squares in only one way, i.e., 101183481 + 25755625 = 10059^2 + 5075^2 .

It is a super-2 number, since 2×126939106² = 32227073264158472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 647551 + ... + 647746.

Almost surely, 2^126939106 is an apocalyptic number.

126939106 is a deficient number, since it is larger than the sum of its proper divisors (94556852).

126939106 is a wasteful number, since it uses less digits than its factorization.

126939106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295313 (or 1295306 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 126939106 is about 11266.7256112856. The cubic root of 126939106 is about 502.5722193504.

The spelling of 126939106 in words is "one hundred twenty-six million, nine hundred thirty-nine thousand, one hundred six".