120669667 has 4 divisors (see below), whose sum is σ = 124830720. Its totient is φ = 116508616.

The previous prime is 120669643. The next prime is 120669697. The reversal of 120669667 is 766966021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766966021 = 53 ⋅14471057.

It is a cyclic number.

It is not a de Polignac number, because 120669667 - 2¹⁵ = 120636899 is a prime.

It is a super-2 number, since 2×120669667² = 29122337067781778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120669607) 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, 2080483 + ... + 2080540.

It is an arithmetic number, because the mean of its divisors is an integer number (31207680).

Almost surely, 2^120669667 is an apocalyptic number.

120669667 is a deficient number, since it is larger than the sum of its proper divisors (4161053).

120669667 is an equidigital number, since it uses as much as digits as its factorization.

120669667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161052.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 120669667 is about 10984.9746017003. The cubic root of 120669667 is about 494.1582360646.

The spelling of 120669667 in words is "one hundred twenty million, six hundred sixty-nine thousand, six hundred sixty-seven".