120655069 has 16 divisors (see below), whose sum is σ = 132503040. Its totient is φ = 109370880.

The previous prime is 120655021. The next prime is 120655081. The reversal of 120655069 is 960556021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120655069 - 2⁹ = 120654557 is a prime.

It is a super-2 number, since 2×120655069² = 29115291350789522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120655009) 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, 148737 + ... + 149545.

It is an arithmetic number, because the mean of its divisors is an integer number (8281440).

Almost surely, 2^120655069 is an apocalyptic number.

It is an amenable number.

120655069 is a deficient number, since it is larger than the sum of its proper divisors (11847971).

120655069 is a wasteful number, since it uses less digits than its factorization.

120655069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 120655069 is about 10984.3101285424. The cubic root of 120655069 is about 494.1383083478.

The spelling of 120655069 in words is "one hundred twenty million, six hundred fifty-five thousand, sixty-nine".