120665562 has 8 divisors (see below), whose sum is σ = 241331136. Its totient is φ = 40221852.

The previous prime is 120665557. The next prime is 120665579. The reversal of 120665562 is 265566021.

It is a happy number.

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

120665562 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10055458 + ... + 10055469.

It is an arithmetic number, because the mean of its divisors is an integer number (30166392).

Almost surely, 2^120665562 is an apocalyptic number.

120665562 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120665562 is a wasteful number, since it uses less digits than its factorization.

120665562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20110932.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 120665562 is about 10984.7877539805. The cubic root of 120665562 is about 494.1526324952.

The spelling of 120665562 in words is "one hundred twenty million, six hundred sixty-five thousand, five hundred sixty-two".