1134200021 has 2 divisors, whose sum is σ = 1134200022. Its totient is φ = 1134200020.

The previous prime is 1134200009. The next prime is 1134200057. The reversal of 1134200021 is 1200024311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 985018225 + 149181796 = 31385^2 + 12214^2 .

It is a cyclic number.

It is not a de Polignac number, because 1134200021 - 2¹⁴ = 1134183637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1134199969 and 1134200005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1104200021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567100010 + 567100011.

It is an arithmetic number, because the mean of its divisors is an integer number (567100011).

Almost surely, 2^1134200021 is an apocalyptic number.

It is an amenable number.

1134200021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134200021 is an equidigital number, since it uses as much as digits as its factorization.

1134200021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1134200021 is about 33677.8862311755. The cubic root of 1134200021 is about 1042.8693018831.

Adding to 1134200021 its reverse (1200024311), we get a palindrome (2334224332).

The spelling of 1134200021 in words is "one billion, one hundred thirty-four million, two hundred thousand, twenty-one".