120505061 has 16 divisors (see below), whose sum is σ = 130331520. Its totient is φ = 111006720.

The previous prime is 120505057. The next prime is 120505069. The reversal of 120505061 is 160505021.

It is a cyclic number.

It is not a de Polignac number, because 120505061 - 2² = 120505057 is a prime.

It is a super-2 number, since 2×120505061² = 29042939453227442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120505069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274280 + ... + 274718.

It is an arithmetic number, because the mean of its divisors is an integer number (8145720).

Almost surely, 2^120505061 is an apocalyptic number.

It is an amenable number.

120505061 is a deficient number, since it is larger than the sum of its proper divisors (9826459).

120505061 is a wasteful number, since it uses less digits than its factorization.

120505061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 120505061 is about 10977.4797198628. The cubic root of 120505061 is about 493.9334393758.

The spelling of 120505061 in words is "one hundred twenty million, five hundred five thousand, sixty-one".