120665522 has 4 divisors (see below), whose sum is σ = 180998286. Its totient is φ = 60332760.

The previous prime is 120665509. The next prime is 120665533. The reversal of 120665522 is 225566021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 107350321 + 13315201 = 10361^2 + 3649^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30166379 + ... + 30166382.

Almost surely, 2^120665522 is an apocalyptic number.

120665522 is a deficient number, since it is larger than the sum of its proper divisors (60332764).

120665522 is an equidigital number, since it uses as much as digits as its factorization.

120665522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60332763.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 120665522 is about 10984.7859332806. The cubic root of 120665522 is about 494.1525778922.

The spelling of 120665522 in words is "one hundred twenty million, six hundred sixty-five thousand, five hundred twenty-two".