1129048320 has 72 divisors (see below), whose sum is σ = 3605910336. Its totient is φ = 301078528.

The previous prime is 1129048313. The next prime is 1129048321. The reversal of 1129048320 is 238409211.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (1129048321) 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, 143172 + ... + 150851.

It is an arithmetic number, because the mean of its divisors is an integer number (50082088).

Almost surely, 2^1129048320 is an apocalyptic number.

1129048320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129048320 is an abundant number, since it is smaller than the sum of its proper divisors (2476862016).

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

1129048320 is an equidigital number, since it uses as much as digits as its factorization.

1129048320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294047 (or 294033 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1129048320 is about 33601.3142600107. The cubic root of 1129048320 is about 1041.2879506764.

The spelling of 1129048320 in words is "one billion, one hundred twenty-nine million, forty-eight thousand, three hundred twenty".