1131052100 has 18 divisors (see below), whose sum is σ = 2454383274. Its totient is φ = 452420800.

The previous prime is 1131052099. The next prime is 1131052123. The reversal of 1131052100 is 12501311.

It can be written as a sum of positive squares in 3 ways, for example, as 126922756 + 1004129344 = 11266^2 + 31688^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5655161 + ... + 5655360.

Almost surely, 2^1131052100 is an apocalyptic number.

1131052100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131052100 is an abundant number, since it is smaller than the sum of its proper divisors (1323331174).

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

1131052100 is a wasteful number, since it uses less digits than its factorization.

1131052100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310535 (or 11310528 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1131052100 is about 33631.1180307762. The cubic root of 1131052100 is about 1041.9035956704.

Adding to 1131052100 its reverse (12501311), we get a palindrome (1143553411).

The spelling of 1131052100 in words is "one billion, one hundred thirty-one million, fifty-two thousand, one hundred".