121300565 has 8 divisors (see below), whose sum is σ = 146525568. Its totient is φ = 96397200.

The previous prime is 121300547. The next prime is 121300601. The reversal of 121300565 is 565003121.

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

It is not a de Polignac number, because 121300565 - 2²⁶ = 54191701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121300565.

It is a congruent number.

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, 79577 + ... + 81086.

It is an arithmetic number, because the mean of its divisors is an integer number (18315696).

Almost surely, 2^121300565 is an apocalyptic number.

It is an amenable number.

121300565 is a deficient number, since it is larger than the sum of its proper divisors (25225003).

121300565 is a wasteful number, since it uses less digits than its factorization.

121300565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160819.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 121300565 is about 11013.6535718171. The cubic root of 121300565 is about 495.0179430968.

Adding to 121300565 its reverse (565003121), we get a palindrome (686303686).

The spelling of 121300565 in words is "one hundred twenty-one million, three hundred thousand, five hundred sixty-five".