120557066 has 8 divisors (see below), whose sum is σ = 206669280. Its totient is φ = 51667308.

The previous prime is 120557051. The next prime is 120557069. The reversal of 120557066 is 660755021.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (120557069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4305596 + ... + 4305623.

It is an arithmetic number, because the mean of its divisors is an integer number (25833660).

Almost surely, 2^120557066 is an apocalyptic number.

120557066 is a deficient number, since it is larger than the sum of its proper divisors (86112214).

120557066 is an equidigital number, since it uses as much as digits as its factorization.

120557066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611228.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 120557066 is about 10979.8481774567. The cubic root of 120557066 is about 494.0044829045.

The spelling of 120557066 in words is "one hundred twenty million, five hundred fifty-seven thousand, sixty-six".