1129671340 has 24 divisors (see below), whose sum is σ = 2711211552. Its totient is φ = 387315840.

The previous prime is 1129671331. The next prime is 1129671343. The reversal of 1129671340 is 431769211.

It is a junction number, because it is equal to n+sod(n) for n = 1129671296 and 1129671305.

It is not an unprimeable number, because it can be changed into a prime (1129671343) 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, 4034401 + ... + 4034680.

It is an arithmetic number, because the mean of its divisors is an integer number (112967148).

Almost surely, 2^1129671340 is an apocalyptic number.

1129671340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129671340 is an abundant number, since it is smaller than the sum of its proper divisors (1581540212).

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

1129671340 is a wasteful number, since it uses less digits than its factorization.

1129671340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8069097 (or 8069095 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1129671340 is about 33610.5837497655. The cubic root of 1129671340 is about 1041.4794464451.

The spelling of 1129671340 in words is "one billion, one hundred twenty-nine million, six hundred seventy-one thousand, three hundred forty".