1123302049 has 2 divisors, whose sum is σ = 1123302050. Its totient is φ = 1123302048.

The previous prime is 1123302017. The next prime is 1123302071. The reversal of 1123302049 is 9402033211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 847974400 + 275327649 = 29120^2 + 16593^2 .

It is an emirp because it is prime and its reverse (9402033211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123302049 - 2⁵ = 1123302017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123302449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561651024 + 561651025.

It is an arithmetic number, because the mean of its divisors is an integer number (561651025).

Almost surely, 2^1123302049 is an apocalyptic number.

It is an amenable number.

1123302049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123302049 is an equidigital number, since it uses as much as digits as its factorization.

1123302049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1123302049 is about 33515.6985456070. The cubic root of 1123302049 is about 1039.5184065221.

The spelling of 1123302049 in words is "one billion, one hundred twenty-three million, three hundred two thousand, forty-nine".