120247666 has 48 divisors (see below), whose sum is σ = 230267232. Its totient is φ = 46569600.

The previous prime is 120247663. The next prime is 120247693. The reversal of 120247666 is 666742021.

It is not an unprimeable number, because it can be changed into a prime (120247663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356650 + ... + 356986.

It is an arithmetic number, because the mean of its divisors is an integer number (4797234).

Almost surely, 2^120247666 is an apocalyptic number.

120247666 is a deficient number, since it is larger than the sum of its proper divisors (110019566).

120247666 is a wasteful number, since it uses less digits than its factorization.

120247666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 120247666 is about 10965.7496779746. The cubic root of 120247666 is about 493.5815132862.

Adding to 120247666 its reverse (666742021), we get a palindrome (786989687).

The spelling of 120247666 in words is "one hundred twenty million, two hundred forty-seven thousand, six hundred sixty-six".