9121379 has 2 divisors, whose sum is σ = 9121380. Its totient is φ = 9121378.

The previous prime is 9121361. The next prime is 9121397. The reversal of 9121379 is 9731219.

It is a happy number.

9121379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (9121397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (9121361) and next prime (9121397).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9121379 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9121339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4560689 + 4560690.

It is an arithmetic number, because the mean of its divisors is an integer number (4560690).

Almost surely, 2^9121379 is an apocalyptic number.

9121379 is a deficient number, since it is larger than the sum of its proper divisors (1).

9121379 is an equidigital number, since it uses as much as digits as its factorization.

9121379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 32.

The square root of 9121379 is about 3020.1620817433. The cubic root of 9121379 is about 208.9393152722.

The spelling of 9121379 in words is "nine million, one hundred twenty-one thousand, three hundred seventy-nine".