126668378 has 8 divisors (see below), whose sum is σ = 190099872. Its totient is φ = 63301756.

The previous prime is 126668371. The next prime is 126668401. The reversal of 126668378 is 873866621.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126668371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11000 + ... + 19347.

It is an arithmetic number, because the mean of its divisors is an integer number (23762484).

Almost surely, 2^126668378 is an apocalyptic number.

126668378 is a deficient number, since it is larger than the sum of its proper divisors (63431494).

126668378 is a wasteful number, since it uses less digits than its factorization.

126668378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32436.

The product of its digits is 580608, while the sum is 47.

The square root of 126668378 is about 11254.7047051444. The cubic root of 126668378 is about 502.2146799024.

The spelling of 126668378 in words is "one hundred twenty-six million, six hundred sixty-eight thousand, three hundred seventy-eight".