122719229 has 2 divisors, whose sum is σ = 122719230. Its totient is φ = 122719228.

The previous prime is 122719199. The next prime is 122719249. The reversal of 122719229 is 922917221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108264025 + 14455204 = 10405^2 + 3802^2 .

It is an emirp because it is prime and its reverse (922917221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122719229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122719249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61359614 + 61359615.

It is an arithmetic number, because the mean of its divisors is an integer number (61359615).

Almost surely, 2^122719229 is an apocalyptic number.

It is an amenable number.

122719229 is a deficient number, since it is larger than the sum of its proper divisors (1).

122719229 is an equidigital number, since it uses as much as digits as its factorization.

122719229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 122719229 is about 11077.8711402507. The cubic root of 122719229 is about 496.9402864993.

It can be divided in two parts, 1227192 and 29, that added together give a palindrome (1227221).

The spelling of 122719229 in words is "one hundred twenty-two million, seven hundred nineteen thousand, two hundred twenty-nine".