1131007104 has 128 divisors (see below), whose sum is σ = 3384523200. Its totient is φ = 371755008.

The previous prime is 1131007081. The next prime is 1131007109. The reversal of 1131007104 is 4017001311.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1131007109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250047 + ... + 254529.

Almost surely, 2^1131007104 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 1131007104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1692261600).

1131007104 is an abundant number, since it is smaller than the sum of its proper divisors (2253516096).

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

1131007104 is an equidigital number, since it uses as much as digits as its factorization.

1131007104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579 (or 4561 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1131007104 is about 33630.4490603382. The cubic root of 1131007104 is about 1041.8897790019.

Adding to 1131007104 its reverse (4017001311), we get a palindrome (5148008415).

The spelling of 1131007104 in words is "one billion, one hundred thirty-one million, seven thousand, one hundred four".