1131079224 has 128 divisors (see below), whose sum is σ = 3342746880. Its totient is φ = 315033600.

The previous prime is 1131079223. The next prime is 1131079231. The reversal of 1131079224 is 4229701311.

It is a junction number, because it is equal to n+sod(n) for n = 1131079191 and 1131079200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131079223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190054 + ... + 195914.

It is an arithmetic number, because the mean of its divisors is an integer number (26115210).

Almost surely, 2^1131079224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131079224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671373440).

1131079224 is an abundant number, since it is smaller than the sum of its proper divisors (2211667656).

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

1131079224 is a wasteful number, since it uses less digits than its factorization.

1131079224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941 (or 5937 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1131079224 is about 33631.5212858414. The cubic root of 1131079224 is about 1041.9119243075.

The spelling of 1131079224 in words is "one billion, one hundred thirty-one million, seventy-nine thousand, two hundred twenty-four".