1121132131 has 8 divisors (see below), whose sum is σ = 1281701984. Its totient is φ = 960664320.

The previous prime is 1121132119. The next prime is 1121132189. The reversal of 1121132131 is 1312311211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121132131 - 2¹¹ = 1121130083 is a prime.

It is a super-2 number, since 2×1121132131² = 2513874510321202322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121162131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300 + ... + 47353.

It is an arithmetic number, because the mean of its divisors is an integer number (160212748).

Almost surely, 2^1121132131 is an apocalyptic number.

1121132131 is a deficient number, since it is larger than the sum of its proper divisors (160569853).

1121132131 is an equidigital number, since it uses as much as digits as its factorization.

1121132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51021.

The product of its digits is 36, while the sum is 16.

The square root of 1121132131 is about 33483.3112311193. The cubic root of 1121132131 is about 1038.8486182214.

Adding to 1121132131 its reverse (1312311211), we get a palindrome (2433443342).

It can be divided in two parts, 112113 and 2131, that added together give a square (114244 = 338²).

The spelling of 1121132131 in words is "one billion, one hundred twenty-one million, one hundred thirty-two thousand, one hundred thirty-one".