1131026880 has 112 divisors (see below), whose sum is σ = 3604162464. Its totient is φ = 300503040.

The previous prime is 1131026879. The next prime is 1131026903. The reversal of 1131026880 is 886201311.

1131026880 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279270 + ... + 283290.

It is an arithmetic number, because the mean of its divisors is an integer number (32180022).

Almost surely, 2^1131026880 is an apocalyptic number.

1131026880 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 1131026880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1802081232).

1131026880 is an abundant number, since it is smaller than the sum of its proper divisors (2473135584).

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

1131026880 is a wasteful number, since it uses less digits than its factorization.

1131026880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1131026880 is about 33630.7430783205. The cubic root of 1131026880 is about 1041.8958515521.

The spelling of 1131026880 in words is "one billion, one hundred thirty-one million, twenty-six thousand, eight hundred eighty".