122944919 has 2 divisors, whose sum is σ = 122944920. Its totient is φ = 122944918.

The previous prime is 122944907. The next prime is 122944931. The reversal of 122944919 is 919449221.

It is a balanced prime because it is at equal distance from previous prime (122944907) and next prime (122944931).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122944919 is a prime.

It is a super-2 number, since 2×122944919² = 30230906215833122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122944999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61472459 + 61472460.

It is an arithmetic number, because the mean of its divisors is an integer number (61472460).

Almost surely, 2^122944919 is an apocalyptic number.

122944919 is a deficient number, since it is larger than the sum of its proper divisors (1).

122944919 is an equidigital number, since it uses as much as digits as its factorization.

122944919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 122944919 is about 11088.0529850826. The cubic root of 122944919 is about 497.2447369396.

The spelling of 122944919 in words is "one hundred twenty-two million, nine hundred forty-four thousand, nine hundred nineteen".