122085379 has 4 divisors (see below), whose sum is σ = 131476576. Its totient is φ = 112694184.

The previous prime is 122085377. The next prime is 122085391. The reversal of 122085379 is 973580221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973580221 = 3251 ⋅299471.

It is a cyclic number.

It is not a de Polignac number, because 122085379 - 2¹ = 122085377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122085373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4695579 + ... + 4695604.

It is an arithmetic number, because the mean of its divisors is an integer number (32869144).

Almost surely, 2^122085379 is an apocalyptic number.

122085379 is a deficient number, since it is larger than the sum of its proper divisors (9391197).

122085379 is an equidigital number, since it uses as much as digits as its factorization.

122085379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9391196.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 122085379 is about 11049.2252669588. The cubic root of 122085379 is about 496.0832367137.

The spelling of 122085379 in words is "one hundred twenty-two million, eighty-five thousand, three hundred seventy-nine".