120661562 has 8 divisors (see below), whose sum is σ = 206848416. Its totient is φ = 51712092.

The previous prime is 120661553. The next prime is 120661577. The reversal of 120661562 is 265166021.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4309328 + ... + 4309355.

It is an arithmetic number, because the mean of its divisors is an integer number (25856052).

Almost surely, 2^120661562 is an apocalyptic number.

120661562 is a deficient number, since it is larger than the sum of its proper divisors (86186854).

120661562 is an equidigital number, since it uses as much as digits as its factorization.

120661562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8618692.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 120661562 is about 10984.6056824995. The cubic root of 120661562 is about 494.1471721348.

The spelling of 120661562 in words is "one hundred twenty million, six hundred sixty-one thousand, five hundred sixty-two".