1102552249 has 2 divisors, whose sum is σ = 1102552250. Its totient is φ = 1102552248.

The previous prime is 1102552181. The next prime is 1102552267. The reversal of 1102552249 is 9422552011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1093955625 + 8596624 = 33075^2 + 2932^2 .

It is an emirp because it is prime and its reverse (9422552011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102552249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102552249.

It is not a weakly prime, because it can be changed into another prime (1102552849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551276124 + 551276125.

It is an arithmetic number, because the mean of its divisors is an integer number (551276125).

Almost surely, 2^1102552249 is an apocalyptic number.

It is an amenable number.

1102552249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102552249 is an equidigital number, since it uses as much as digits as its factorization.

1102552249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1102552249 is about 33204.7022121868. The cubic root of 1102552249 is about 1033.0778732940.

The spelling of 1102552249 in words is "one billion, one hundred two million, five hundred fifty-two thousand, two hundred forty-nine".