1132243541 has 16 divisors (see below), whose sum is σ = 1331147328. Its totient is φ = 949449600.

The previous prime is 1132243529. The next prime is 1132243579. The reversal of 1132243541 is 1453422311.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1132243541 is a prime.

It is a super-2 number, since 2×1132243541² = 2563950872272437362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1132243541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132243591) 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, 338246 + ... + 341576.

It is an arithmetic number, because the mean of its divisors is an integer number (83196708).

Almost surely, 2^1132243541 is an apocalyptic number.

1132243541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1132243541 is a deficient number, since it is larger than the sum of its proper divisors (198903787).

1132243541 is a wasteful number, since it uses less digits than its factorization.

1132243541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732.

The product of its digits is 2880, while the sum is 26.

The square root of 1132243541 is about 33648.8267403189. The cubic root of 1132243541 is about 1042.2693115188.

Adding to 1132243541 its reverse (1453422311), we get a palindrome (2585665852).

The spelling of 1132243541 in words is "one billion, one hundred thirty-two million, two hundred forty-three thousand, five hundred forty-one".