122148379 has 2 divisors, whose sum is σ = 122148380. Its totient is φ = 122148378.

The previous prime is 122148373. The next prime is 122148391. The reversal of 122148379 is 973841221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122148379 - 2¹⁹ = 121624091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122148373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61074189 + 61074190.

It is an arithmetic number, because the mean of its divisors is an integer number (61074190).

Almost surely, 2^122148379 is an apocalyptic number.

122148379 is a deficient number, since it is larger than the sum of its proper divisors (1).

122148379 is an equidigital number, since it uses as much as digits as its factorization.

122148379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 122148379 is about 11052.0757778799. The cubic root of 122148379 is about 496.1685536992.

The spelling of 122148379 in words is "one hundred twenty-two million, one hundred forty-eight thousand, three hundred seventy-nine".