121250867 has 2 divisors, whose sum is σ = 121250868. Its totient is φ = 121250866.

The previous prime is 121250839. The next prime is 121250869. The reversal of 121250867 is 768052121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121250867 - 2¹⁴ = 121234483 is a prime.

Together with 121250869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121250869) 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 as a sum of consecutive naturals, namely, 60625433 + 60625434.

It is an arithmetic number, because the mean of its divisors is an integer number (60625434).

Almost surely, 2^121250867 is an apocalyptic number.

121250867 is a deficient number, since it is larger than the sum of its proper divisors (1).

121250867 is an equidigital number, since it uses as much as digits as its factorization.

121250867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 121250867 is about 11011.3971411443. The cubic root of 121250867 is about 494.9503293356.

The spelling of 121250867 in words is "one hundred twenty-one million, two hundred fifty thousand, eight hundred sixty-seven".