120666372 has 96 divisors (see below), whose sum is σ = 306125568. Its totient is φ = 36900864.

The previous prime is 120666341. The next prime is 120666421. The reversal of 120666372 is 273666021.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1067788 + ... + 1067900.

It is an arithmetic number, because the mean of its divisors is an integer number (3188808).

Almost surely, 2^120666372 is an apocalyptic number.

120666372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120666372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153062784).

120666372 is an abundant number, since it is smaller than the sum of its proper divisors (185459196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120666372 is a wasteful number, since it uses less digits than its factorization.

120666372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 120666372 is about 10984.8246230880. The cubic root of 120666372 is about 494.1537382034.

The spelling of 120666372 in words is "one hundred twenty million, six hundred sixty-six thousand, three hundred seventy-two".