121316567 has 8 divisors (see below), whose sum is σ = 123550080. Its totient is φ = 119089080.

The previous prime is 121316563. The next prime is 121316597. The reversal of 121316567 is 765613121.

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

It is a cyclic number.

It is not a de Polignac number, because 121316567 - 2² = 121316563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121316563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65342 + ... + 67172.

It is an arithmetic number, because the mean of its divisors is an integer number (15443760).

Almost surely, 2^121316567 is an apocalyptic number.

121316567 is a deficient number, since it is larger than the sum of its proper divisors (2233513).

121316567 is a wasteful number, since it uses less digits than its factorization.

121316567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013.

The product of its digits is 7560, while the sum is 32.

The square root of 121316567 is about 11014.3800097872. The cubic root of 121316567 is about 495.0397097688.

Adding to 121316567 its reverse (765613121), we get a palindrome (886929688).

The spelling of 121316567 in words is "one hundred twenty-one million, three hundred sixteen thousand, five hundred sixty-seven".