120244145 has 32 divisors (see below), whose sum is σ = 175737600. Its totient is φ = 77101056.

The previous prime is 120244127. The next prime is 120244147. The reversal of 120244145 is 541442021.

It is a cyclic number.

It is not a de Polignac number, because 120244145 - 2⁶ = 120244081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120244145.

It is not an unprimeable number, because it can be changed into a prime (120244147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105941 + ... + 107069.

It is an arithmetic number, because the mean of its divisors is an integer number (5491800).

Almost surely, 2^120244145 is an apocalyptic number.

It is an amenable number.

120244145 is a deficient number, since it is larger than the sum of its proper divisors (55493455).

120244145 is a wasteful number, since it uses less digits than its factorization.

120244145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 120244145 is about 10965.5891314603. The cubic root of 120244145 is about 493.5766956807.

Adding to 120244145 its reverse (541442021), we get a palindrome (661686166).

The spelling of 120244145 in words is "one hundred twenty million, two hundred forty-four thousand, one hundred forty-five".