1129147332 has 24 divisors (see below), whose sum is σ = 2677870272. Its totient is φ = 370212000.

The previous prime is 1129147291. The next prime is 1129147337. The reversal of 1129147332 is 2337419211.

It is a junction number, because it is equal to n+sod(n) for n = 1129147293 and 1129147302.

It is not an unprimeable number, because it can be changed into a prime (1129147337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770544 + ... + 772007.

It is an arithmetic number, because the mean of its divisors is an integer number (111577928).

Almost surely, 2^1129147332 is an apocalyptic number.

1129147332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1129147332 is an abundant number, since it is smaller than the sum of its proper divisors (1548722940).

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

1129147332 is a wasteful number, since it uses less digits than its factorization.

1129147332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542619 (or 1542617 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 1129147332 is about 33602.7875629389. The cubic root of 1129147332 is about 1041.3183884020.

The spelling of 1129147332 in words is "one billion, one hundred twenty-nine million, one hundred forty-seven thousand, three hundred thirty-two".