1131114621 has 32 divisors (see below), whose sum is σ = 1878589440. Its totient is φ = 589431744.

The previous prime is 1131114587. The next prime is 1131114641. The reversal of 1131114621 is 1264111311.

It is not a de Polignac number, because 1131114621 - 2¹⁰ = 1131113597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131114641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2301 + ... + 47618.

It is an arithmetic number, because the mean of its divisors is an integer number (58705920).

Almost surely, 2^1131114621 is an apocalyptic number.

It is an amenable number.

1131114621 is a deficient number, since it is larger than the sum of its proper divisors (747474819).

1131114621 is a wasteful number, since it uses less digits than its factorization.

1131114621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50025.

The product of its digits is 144, while the sum is 21.

The square root of 1131114621 is about 33632.0475291053. The cubic root of 1131114621 is about 1041.9227930338.

Adding to 1131114621 its reverse (1264111311), we get a palindrome (2395225932).

The spelling of 1131114621 in words is "one billion, one hundred thirty-one million, one hundred fourteen thousand, six hundred twenty-one".