126330705 has 32 divisors (see below), whose sum is σ = 226005120. Its totient is φ = 66951360.

The previous prime is 126330703. The next prime is 126330713. The reversal of 126330705 is 507033621.

It is a happy number.

It is not a de Polignac number, because 126330705 - 2¹ = 126330703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (126330703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19135 + ... + 24875.

It is an arithmetic number, because the mean of its divisors is an integer number (7062660).

Almost surely, 2^126330705 is an apocalyptic number.

126330705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126330705 is a deficient number, since it is larger than the sum of its proper divisors (99674415).

126330705 is a wasteful number, since it uses less digits than its factorization.

126330705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5918 (or 5912 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 126330705 is about 11239.6932787332. The cubic root of 126330705 is about 501.7680142160.

The spelling of 126330705 in words is "one hundred twenty-six million, three hundred thirty thousand, seven hundred five".