120741565 has 32 divisors (see below), whose sum is σ = 176166144. Its totient is φ = 77552640.

The previous prime is 120741557. The next prime is 120741581. The reversal of 120741565 is 565147021.

It is not a de Polignac number, because 120741565 - 2³ = 120741557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182335 + ... + 182995.

It is an arithmetic number, because the mean of its divisors is an integer number (5505192).

Almost surely, 2^120741565 is an apocalyptic number.

It is an amenable number.

120741565 is a deficient number, since it is larger than the sum of its proper divisors (55424579).

120741565 is a wasteful number, since it uses less digits than its factorization.

120741565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 120741565 is about 10988.2466754255. The cubic root of 120741565 is about 494.2563605166.

Adding to 120741565 its reverse (565147021), we get a palindrome (685888586).

The spelling of 120741565 in words is "one hundred twenty million, seven hundred forty-one thousand, five hundred sixty-five".