121144067 has 4 divisors (see below), whose sum is σ = 132157176. Its totient is φ = 110130960.

The previous prime is 121144039. The next prime is 121144069. The reversal of 121144067 is 760441121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 760441121 = 11 ⋅69131011.

It is a cyclic number.

It is not a de Polignac number, because 121144067 - 2⁸ = 121143811 is a prime.

It is a super-3 number, since 3×121144067³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121144069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5506538 + ... + 5506559.

It is an arithmetic number, because the mean of its divisors is an integer number (33039294).

Almost surely, 2^121144067 is an apocalyptic number.

121144067 is a deficient number, since it is larger than the sum of its proper divisors (11013109).

121144067 is a wasteful number, since it uses less digits than its factorization.

121144067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11013108.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 121144067 is about 11006.5465519390. The cubic root of 121144067 is about 494.8049661881.

Adding to 121144067 its reverse (760441121), we get a palindrome (881585188).

The spelling of 121144067 in words is "one hundred twenty-one million, one hundred forty-four thousand, sixty-seven".