1229731068 has 12 divisors (see below), whose sum is σ = 2869372520. Its totient is φ = 409910352.

The previous prime is 1229731049. The next prime is 1229731073. The reversal of 1229731068 is 8601379221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51238783 + ... + 51238806.

Almost surely, 2^1229731068 is an apocalyptic number.

It is an amenable number.

1229731068 is an abundant number, since it is smaller than the sum of its proper divisors (1639641452).

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

1229731068 is a wasteful number, since it uses less digits than its factorization.

1229731068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102477596 (or 102477594 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1229731068 is about 35067.5215548519. The cubic root of 1229731068 is about 1071.3631759654.

It can be divided in two parts, 12297 and 31068, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 1229731068 in words is "one billion, two hundred twenty-nine million, seven hundred thirty-one thousand, sixty-eight".