1132043021 has 4 divisors (see below), whose sum is σ = 1132118844. Its totient is φ = 1131967200.

The previous prime is 1132042993. The next prime is 1132043023. The reversal of 1132043021 is 1203402311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1203402311 = 2309 ⋅521179.

It can be written as a sum of positive squares in 2 ways, for example, as 1026241225 + 105801796 = 32035^2 + 10286^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132043021 - 2²² = 1127848717 is a prime.

It is a super-3 number, since 3×1132043021³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132043023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7250 + ... + 48131.

It is an arithmetic number, because the mean of its divisors is an integer number (283029711).

Almost surely, 2^1132043021 is an apocalyptic number.

It is an amenable number.

1132043021 is a deficient number, since it is larger than the sum of its proper divisors (75823).

1132043021 is an equidigital number, since it uses as much as digits as its factorization.

1132043021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75822.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1132043021 is about 33645.8470096979. The cubic root of 1132043021 is about 1042.2077793561.

Adding to 1132043021 its reverse (1203402311), we get a palindrome (2335445332).

The spelling of 1132043021 in words is "one billion, one hundred thirty-two million, forty-three thousand, twenty-one".