1222119929 has 2 divisors, whose sum is σ = 1222119930. Its totient is φ = 1222119928.

The previous prime is 1222119901. The next prime is 1222119949. The reversal of 1222119929 is 9299112221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 657819904 + 564300025 = 25648^2 + 23755^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222119929 - 2²⁰ = 1221071353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222119892 and 1222119901.

It is not a weakly prime, because it can be changed into another prime (1222119949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611059964 + 611059965.

It is an arithmetic number, because the mean of its divisors is an integer number (611059965).

Almost surely, 2^1222119929 is an apocalyptic number.

It is an amenable number.

1222119929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222119929 is an equidigital number, since it uses as much as digits as its factorization.

1222119929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 38.

The square root of 1222119929 is about 34958.8319169849. The cubic root of 1222119929 is about 1069.1482810735.

The spelling of 1222119929 in words is "one billion, two hundred twenty-two million, one hundred nineteen thousand, nine hundred twenty-nine".