126940786 has 16 divisors (see below), whose sum is σ = 229066560. Its totient is φ = 51539760.

The previous prime is 126940783. The next prime is 126940799. The reversal of 126940786 is 687049621.

It is a super-2 number, since 2×126940786² = 32227926300595592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126940783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238345 + ... + 238876.

It is an arithmetic number, because the mean of its divisors is an integer number (14316660).

Almost surely, 2^126940786 is an apocalyptic number.

126940786 is a deficient number, since it is larger than the sum of its proper divisors (102125774).

126940786 is a wasteful number, since it uses less digits than its factorization.

126940786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477249.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 126940786 is about 11266.8001668619. The cubic root of 126940786 is about 502.5744364702.

The spelling of 126940786 in words is "one hundred twenty-six million, nine hundred forty thousand, seven hundred eighty-six".