122254619 has 2 divisors, whose sum is σ = 122254620. Its totient is φ = 122254618.

The previous prime is 122254609. The next prime is 122254651. The reversal of 122254619 is 916452221.

It is an a-pointer prime, because the next prime (122254651) can be obtained adding 122254619 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122254619 - 2⁴ = 122254603 is a prime.

It is a super-2 number, since 2×122254619² = 29892383733670322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122254609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61127309 + 61127310.

It is an arithmetic number, because the mean of its divisors is an integer number (61127310).

Almost surely, 2^122254619 is an apocalyptic number.

122254619 is a deficient number, since it is larger than the sum of its proper divisors (1).

122254619 is an equidigital number, since it uses as much as digits as its factorization.

122254619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 122254619 is about 11056.8810701753. The cubic root of 122254619 is about 496.3123615074.

The spelling of 122254619 in words is "one hundred twenty-two million, two hundred fifty-four thousand, six hundred nineteen".