1134224021 has 6 divisors (see below), whose sum is σ = 1319403510. Its totient is φ = 972191976.

The previous prime is 1134223991. The next prime is 1134224023. The reversal of 1134224021 is 1204224311.

It can be written as a sum of positive squares in only one way, i.e., 1077808900 + 56415121 = 32830^2 + 7511^2 .

It is not a de Polignac number, because 1134224021 - 2⁶ = 1134223957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1134223984 and 1134224002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134224023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11573666 + ... + 11573763.

It is an arithmetic number, because the mean of its divisors is an integer number (219900585).

Almost surely, 2^1134224021 is an apocalyptic number.

It is an amenable number.

1134224021 is a deficient number, since it is larger than the sum of its proper divisors (185179489).

1134224021 is an equidigital number, since it uses as much as digits as its factorization.

1134224021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23147443 (or 23147436 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1134224021 is about 33678.2425461900. The cubic root of 1134224021 is about 1042.8766576364.

Adding to 1134224021 its reverse (1204224311), we get a palindrome (2338448332).

The spelling of 1134224021 in words is "one billion, one hundred thirty-four million, two hundred twenty-four thousand, twenty-one".