1131092480 has 240 divisors, whose sum is σ = 3224365056. Its totient is φ = 379330560.

The previous prime is 1131092453. The next prime is 1131092489. The reversal of 1131092480 is 842901311.

It is not an unprimeable number, because it can be changed into a prime (1131092489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8906177 + ... + 8906303.

Almost surely, 2^1131092480 is an apocalyptic number.

1131092480 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 1131092480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612182528).

1131092480 is an abundant number, since it is smaller than the sum of its proper divisors (2093272576).

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

1131092480 is an equidigital number, since it uses as much as digits as its factorization.

1131092480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1131092480 is about 33631.7183622841. The cubic root of 1131092480 is about 1041.9159946178.

Adding to 1131092480 its reverse (842901311), we get a palindrome (1973993791).

The spelling of 1131092480 in words is "one billion, one hundred thirty-one million, ninety-two thousand, four hundred eighty".