1131010104 has 64 divisors (see below), whose sum is σ = 3242131200. Its totient is φ = 322078464.

The previous prime is 1131010061. The next prime is 1131010141. The reversal of 1131010104 is 4010101311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1131010104.

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, 40612 + ... + 62540.

It is an arithmetic number, because the mean of its divisors is an integer number (50658300).

Almost surely, 2^1131010104 is an apocalyptic number.

1131010104 is a gapful number since it is divisible by the number (14) 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 1131010104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621065600).

1131010104 is an abundant number, since it is smaller than the sum of its proper divisors (2111121096).

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

1131010104 is a wasteful number, since it uses less digits than its factorization.

1131010104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22252 (or 22248 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1131010104 is about 33630.4936627460. The cubic root of 1131010104 is about 1041.8907002064.

Adding to 1131010104 its reverse (4010101311), we get a palindrome (5141111415).

The spelling of 1131010104 in words is "one billion, one hundred thirty-one million, ten thousand, one hundred four".