1229024969 has 2 divisors, whose sum is σ = 1229024970. Its totient is φ = 1229024968.

The previous prime is 1229024957. The next prime is 1229024983. The reversal of 1229024969 is 9694209221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 801569344 + 427455625 = 28312^2 + 20675^2 .

It is an emirp because it is prime and its reverse (9694209221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1229024969 - 2¹² = 1229020873 is a prime.

It is a super-2 number, since 2×1229024969² = 3021004748850901922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1229024999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614512484 + 614512485.

It is an arithmetic number, because the mean of its divisors is an integer number (614512485).

Almost surely, 2^1229024969 is an apocalyptic number.

It is an amenable number.

1229024969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229024969 is an equidigital number, since it uses as much as digits as its factorization.

1229024969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1229024969 is about 35057.4524031624. The cubic root of 1229024969 is about 1071.1580814472.

The spelling of 1229024969 in words is "one billion, two hundred twenty-nine million, twenty-four thousand, nine hundred sixty-nine".