1229768036 has 24 divisors (see below), whose sum is σ = 2490673920. Its totient is φ = 520371072.

The previous prime is 1229768011. The next prime is 1229768041. The reversal of 1229768036 is 6308679221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275765 + ... + 280188.

It is an arithmetic number, because the mean of its divisors is an integer number (103778080).

Almost surely, 2^1229768036 is an apocalyptic number.

It is an amenable number.

1229768036 is an abundant number, since it is smaller than the sum of its proper divisors (1260905884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229768036 is a wasteful number, since it uses less digits than its factorization.

1229768036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556043 (or 556041 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 1229768036 is about 35068.0486483066. The cubic root of 1229768036 is about 1071.3739115802.

The spelling of 1229768036 in words is "one billion, two hundred twenty-nine million, seven hundred sixty-eight thousand, thirty-six".