122819349 has 4 divisors (see below), whose sum is σ = 163759136. Its totient is φ = 81879564.

The previous prime is 122819327. The next prime is 122819351. The reversal of 122819349 is 943918221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 943918221 = 3 ⋅314639407.

It is not a de Polignac number, because 122819349 - 2⁸ = 122819093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122819399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20469889 + ... + 20469894.

It is an arithmetic number, because the mean of its divisors is an integer number (40939784).

Almost surely, 2^122819349 is an apocalyptic number.

It is an amenable number.

122819349 is a deficient number, since it is larger than the sum of its proper divisors (40939787).

122819349 is an equidigital number, since it uses as much as digits as its factorization.

122819349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40939786.

The product of its digits is 31104, while the sum is 39.

The square root of 122819349 is about 11082.3891377266. The cubic root of 122819349 is about 497.0753920232.

The spelling of 122819349 in words is "one hundred twenty-two million, eight hundred nineteen thousand, three hundred forty-nine".