1110243149 has 2 divisors, whose sum is σ = 1110243150. Its totient is φ = 1110243148.

The previous prime is 1110243119. The next prime is 1110243151. The reversal of 1110243149 is 9413420111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 931165225 + 179077924 = 30515^2 + 13382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110243149 is a prime.

Together with 1110243151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110243119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555121574 + 555121575.

It is an arithmetic number, because the mean of its divisors is an integer number (555121575).

Almost surely, 2^1110243149 is an apocalyptic number.

It is an amenable number.

1110243149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110243149 is an equidigital number, since it uses as much as digits as its factorization.

1110243149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1110243149 is about 33320.3113580891. The cubic root of 1110243149 is about 1035.4744023865.

The spelling of 1110243149 in words is "one billion, one hundred ten million, two hundred forty-three thousand, one hundred forty-nine".