120137565 has 16 divisors (see below), whose sum is σ = 192459456. Its totient is φ = 63993600.

The previous prime is 120137527. The next prime is 120137569. The reversal of 120137565 is 565731021.

It is not a de Polignac number, because 120137565 - 2¹¹ = 120135517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120137569) 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, 8670 + ... + 17760.

It is an arithmetic number, because the mean of its divisors is an integer number (12028716).

Almost surely, 2^120137565 is an apocalyptic number.

120137565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120137565 is a deficient number, since it is larger than the sum of its proper divisors (72321891).

120137565 is an equidigital number, since it uses as much as digits as its factorization.

120137565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9980.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 120137565 is about 10960.7283060935. The cubic root of 120137565 is about 493.4308231467.

Adding to 120137565 its reverse (565731021), we get a palindrome (685868586).

The spelling of 120137565 in words is "one hundred twenty million, one hundred thirty-seven thousand, five hundred sixty-five".