121516067 has 4 divisors (see below), whose sum is σ = 122980200. Its totient is φ = 120051936.

The previous prime is 121516049. The next prime is 121516093. The reversal of 121516067 is 760615121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121516067 - 2¹⁶ = 121450531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121516027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731942 + ... + 732107.

It is an arithmetic number, because the mean of its divisors is an integer number (30745050).

Almost surely, 2^121516067 is an apocalyptic number.

121516067 is a deficient number, since it is larger than the sum of its proper divisors (1464133).

121516067 is an equidigital number, since it uses as much as digits as its factorization.

121516067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464132.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 121516067 is about 11023.4326323519. The cubic root of 121516067 is about 495.3109184975.

The spelling of 121516067 in words is "one hundred twenty-one million, five hundred sixteen thousand, sixty-seven".