1127329320 has 128 divisors (see below), whose sum is σ = 3740768640. Its totient is φ = 269982720.

The previous prime is 1127329303. The next prime is 1127329331. The reversal of 1127329320 is 239237211.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 47955 + ... + 67485.

It is an arithmetic number, because the mean of its divisors is an integer number (29224755).

Almost surely, 2^1127329320 is an apocalyptic number.

1127329320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1127329320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1870384320).

1127329320 is an abundant number, since it is smaller than the sum of its proper divisors (2613439320).

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

1127329320 is a wasteful number, since it uses less digits than its factorization.

1127329320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19595 (or 19591 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1127329320 is about 33575.7251597043. The cubic root of 1127329320 is about 1040.7592212591.

The spelling of 1127329320 in words is "one billion, one hundred twenty-seven million, three hundred twenty-nine thousand, three hundred twenty".