1128202253 has 2 divisors, whose sum is σ = 1128202254. Its totient is φ = 1128202252.

The previous prime is 1128202193. The next prime is 1128202267. The reversal of 1128202253 is 3522028211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 634384969 + 493817284 = 25187^2 + 22222^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128202253 - 2¹⁰ = 1128201229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128202753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564101126 + 564101127.

It is an arithmetic number, because the mean of its divisors is an integer number (564101127).

Almost surely, 2^1128202253 is an apocalyptic number.

It is an amenable number.

1128202253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128202253 is an equidigital number, since it uses as much as digits as its factorization.

1128202253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1128202253 is about 33588.7221102560. The cubic root of 1128202253 is about 1041.0277848029.

The spelling of 1128202253 in words is "one billion, one hundred twenty-eight million, two hundred two thousand, two hundred fifty-three".