121234875867 has 12 divisors (see below), whose sum is σ = 200133763440. Its totient is φ = 69277071888.

The previous prime is 121234875859. The next prime is 121234875901. The reversal of 121234875867 is 768578432121.

121234875867 is a `hidden beast` number, since 1 + 2 + 12 + 3 + 48 + 7 + 586 + 7 = 666.

It is not a de Polignac number, because 121234875867 - 2³ = 121234875859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121234874867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 962181492 + ... + 962181617.

It is an arithmetic number, because the mean of its divisors is an integer number (16677813620).

Almost surely, 2^121234875867 is an apocalyptic number.

121234875867 is a deficient number, since it is larger than the sum of its proper divisors (78898887573).

121234875867 is a wasteful number, since it uses less digits than its factorization.

121234875867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924363122 (or 1924363119 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 121234875867 in words is "one hundred twenty-one billion, two hundred thirty-four million, eight hundred seventy-five thousand, eight hundred sixty-seven".