120615669 has 16 divisors (see below), whose sum is σ = 184852800. Its totient is φ = 77637168.

The previous prime is 120615641. The next prime is 120615679. The reversal of 120615669 is 966516021.

It is not a de Polignac number, because 120615669 - 2¹² = 120611573 is a prime.

It is a super-2 number, since 2×120615669² = 29096279216635122, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120615619) 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, 76239 + ... + 77804.

It is an arithmetic number, because the mean of its divisors is an integer number (11553300).

Almost surely, 2^120615669 is an apocalyptic number.

It is an amenable number.

120615669 is a deficient number, since it is larger than the sum of its proper divisors (64237131).

120615669 is a wasteful number, since it uses less digits than its factorization.

120615669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154081 (or 154075 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 120615669 is about 10982.5165148977. The cubic root of 120615669 is about 494.0845154181.

The spelling of 120615669 in words is "one hundred twenty million, six hundred fifteen thousand, six hundred sixty-nine".