1133445021 has 8 divisors (see below), whose sum is σ = 1511758560. Its totient is φ = 755380752.

The previous prime is 1133445011. The next prime is 1133445119. The reversal of 1133445021 is 1205443311.

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 1133445021 - 2⁵ = 1133444989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1133444982 and 1133445000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133445011) 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, 51435 + ... + 70088.

It is an arithmetic number, because the mean of its divisors is an integer number (188969820).

Almost surely, 2^1133445021 is an apocalyptic number.

It is an amenable number.

1133445021 is a deficient number, since it is larger than the sum of its proper divisors (378313539).

1133445021 is a wasteful number, since it uses less digits than its factorization.

1133445021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124635.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1133445021 is about 33666.6752293718. The cubic root of 1133445021 is about 1042.6378491467.

Adding to 1133445021 its reverse (1205443311), we get a palindrome (2338888332).

The spelling of 1133445021 in words is "one billion, one hundred thirty-three million, four hundred forty-five thousand, twenty-one".