121379 has 2 divisors, whose sum is σ = 121380. Its totient is φ = 121378.

The previous prime is 121369. The next prime is 121403. The reversal of 121379 is 973121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121379 - 2⁸ = 121123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60689 + 60690.

It is an arithmetic number, because the mean of its divisors is an integer number (60690).

2¹²¹³⁷⁹ is an apocalyptic number.

121379 is a deficient number, since it is larger than the sum of its proper divisors (1).

121379 is an equidigital number, since it uses as much as digits as its factorization.

121379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378, while the sum is 23.

The square root of 121379 is about 348.3948908925. The cubic root of 121379 is about 49.5124615770.

The spelling of 121379 in words is "one hundred twenty-one thousand, three hundred seventy-nine".