126802666 has 8 divisors (see below), whose sum is σ = 190824480. Its totient is φ = 63194508.

The previous prime is 126802651. The next prime is 126802667. The reversal of 126802666 is 666208621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126802666² = 32157832209415112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126802667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102646 + ... + 103873.

It is an arithmetic number, because the mean of its divisors is an integer number (23853060).

Almost surely, 2^126802666 is an apocalyptic number.

126802666 is a deficient number, since it is larger than the sum of its proper divisors (64021814).

126802666 is a wasteful number, since it uses less digits than its factorization.

126802666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206828.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 126802666 is about 11260.6689854555. The cubic root of 126802666 is about 502.3920922060.

The spelling of 126802666 in words is "one hundred twenty-six million, eight hundred two thousand, six hundred sixty-six".