126668510 has 8 divisors (see below), whose sum is σ = 228003336. Its totient is φ = 50667400.

The previous prime is 126668489. The next prime is 126668519. The reversal of 126668510 is 15866621.

It is a happy number.

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

It is a super-2 number, since 2×126668510² = 32089822851240200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126668519) 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, 6333416 + ... + 6333435.

It is an arithmetic number, because the mean of its divisors is an integer number (28500417).

Almost surely, 2^126668510 is an apocalyptic number.

126668510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126668510 is a deficient number, since it is larger than the sum of its proper divisors (101334826).

126668510 is a wasteful number, since it uses less digits than its factorization.

126668510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12666858.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 126668510 is about 11254.7105693572. The cubic root of 126668510 is about 502.2148543535.

The spelling of 126668510 in words is "one hundred twenty-six million, six hundred sixty-eight thousand, five hundred ten".