120144665 has 8 divisors (see below), whose sum is σ = 144400320. Its totient is φ = 95964592.

The previous prime is 120144631. The next prime is 120144677. The reversal of 120144665 is 566441021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120144665 - 2¹⁶ = 120079129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15335 + ... + 21804.

It is an arithmetic number, because the mean of its divisors is an integer number (18050040).

Almost surely, 2^120144665 is an apocalyptic number.

It is an amenable number.

120144665 is a deficient number, since it is larger than the sum of its proper divisors (24255655).

120144665 is an equidigital number, since it uses as much as digits as its factorization.

120144665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37791.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 120144665 is about 10961.0521848954. The cubic root of 120144665 is about 493.4405433643.

Adding to 120144665 its reverse (566441021), we get a palindrome (686585686).

The spelling of 120144665 in words is "one hundred twenty million, one hundred forty-four thousand, six hundred sixty-five".