1124111449 has 2 divisors, whose sum is σ = 1124111450. Its totient is φ = 1124111448.

The previous prime is 1124111447. The next prime is 1124111479. The reversal of 1124111449 is 9441114211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1122719049 + 1392400 = 33507^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124111449 - 2¹ = 1124111447 is a prime.

Together with 1124111447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1124111447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562055724 + 562055725.

It is an arithmetic number, because the mean of its divisors is an integer number (562055725).

Almost surely, 2^1124111449 is an apocalyptic number.

It is an amenable number.

1124111449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124111449 is an equidigital number, since it uses as much as digits as its factorization.

1124111449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 28.

The square root of 1124111449 is about 33527.7713097665. The cubic root of 1124111449 is about 1039.7680230261.

The spelling of 1124111449 in words is "one billion, one hundred twenty-four million, one hundred eleven thousand, four hundred forty-nine".