120061565 has 32 divisors (see below), whose sum is σ = 165473280. Its totient is φ = 82842624.

The previous prime is 120061561. The next prime is 120061649. The reversal of 120061565 is 565160021.

It is a cyclic number.

It is not a de Polignac number, because 120061565 - 2² = 120061561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120061561) 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, 197492 + ... + 198098.

It is an arithmetic number, because the mean of its divisors is an integer number (5171040).

Almost surely, 2^120061565 is an apocalyptic number.

It is an amenable number.

120061565 is a deficient number, since it is larger than the sum of its proper divisors (45411715).

120061565 is a wasteful number, since it uses less digits than its factorization.

120061565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 120061565 is about 10957.2608347159. The cubic root of 120061565 is about 493.3267517485.

The spelling of 120061565 in words is "one hundred twenty million, sixty-one thousand, five hundred sixty-five".