1229133629 has 16 divisors (see below), whose sum is σ = 1295300160. Its totient is φ = 1164992640.

The previous prime is 1229133623. The next prime is 1229133641. The reversal of 1229133629 is 9263319221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1229133629 - 2²⁴ = 1212356413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1229133592 and 1229133601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229133623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345542 + ... + 349080.

It is an arithmetic number, because the mean of its divisors is an integer number (80956260).

Almost surely, 2^1229133629 is an apocalyptic number.

It is an amenable number.

1229133629 is a deficient number, since it is larger than the sum of its proper divisors (66166531).

1229133629 is a wasteful number, since it uses less digits than its factorization.

1229133629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820.

The product of its digits is 34992, while the sum is 38.

The square root of 1229133629 is about 35059.0021107276. The cubic root of 1229133629 is about 1071.1896480983.

The spelling of 1229133629 in words is "one billion, two hundred twenty-nine million, one hundred thirty-three thousand, six hundred twenty-nine".