1129724412 has 24 divisors (see below), whose sum is σ = 2637237456. Its totient is φ = 376401408.

The previous prime is 1129724369. The next prime is 1129724459. The reversal of 1129724412 is 2144279211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6988 + ... + 48044.

It is an arithmetic number, because the mean of its divisors is an integer number (109884894).

Almost surely, 2^1129724412 is an apocalyptic number.

1129724412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1129724412 is an abundant number, since it is smaller than the sum of its proper divisors (1507513044).

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

1129724412 is a wasteful number, since it uses less digits than its factorization.

1129724412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43357 (or 43355 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 1129724412 is about 33611.3732537068. The cubic root of 1129724412 is about 1041.4957557703.

The spelling of 1129724412 in words is "one billion, one hundred twenty-nine million, seven hundred twenty-four thousand, four hundred twelve".