120663669 has 16 divisors (see below), whose sum is σ = 187339392. Its totient is φ = 67649088.

The previous prime is 120663667. The next prime is 120663713. The reversal of 120663669 is 966366021.

It is a happy number.

It is not a de Polignac number, because 120663669 - 2¹ = 120663667 is a prime.

It is a super-2 number, since 2×120663669² = 29119442033083122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120663667) 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, 53094 + ... + 55319.

It is an arithmetic number, because the mean of its divisors is an integer number (11708712).

Almost surely, 2^120663669 is an apocalyptic number.

It is an amenable number.

120663669 is a deficient number, since it is larger than the sum of its proper divisors (66675723).

120663669 is a wasteful number, since it uses less digits than its factorization.

120663669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108476.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 120663669 is about 10984.7015890283. The cubic root of 120663669 is about 494.1500483946.

The spelling of 120663669 in words is "one hundred twenty million, six hundred sixty-three thousand, six hundred sixty-nine".