122427379 has 2 divisors, whose sum is σ = 122427380. Its totient is φ = 122427378.

The previous prime is 122427377. The next prime is 122427391. The reversal of 122427379 is 973724221.

It is a weak prime.

It is an emirp because it is prime and its reverse (973724221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122427379 - 2¹ = 122427377 is a prime.

Together with 122427377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122427377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61213689 + 61213690.

It is an arithmetic number, because the mean of its divisors is an integer number (61213690).

Almost surely, 2^122427379 is an apocalyptic number.

122427379 is a deficient number, since it is larger than the sum of its proper divisors (1).

122427379 is an equidigital number, since it uses as much as digits as its factorization.

122427379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 122427379 is about 11064.6906418571. The cubic root of 122427379 is about 496.5460338428.

The spelling of 122427379 in words is "one hundred twenty-two million, four hundred twenty-seven thousand, three hundred seventy-nine".