1126823249 has 2 divisors, whose sum is σ = 1126823250. Its totient is φ = 1126823248.

The previous prime is 1126823239. The next prime is 1126823251. The reversal of 1126823249 is 9423286211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 853516225 + 273307024 = 29215^2 + 16532^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126823249 - 2⁸ = 1126822993 is a prime.

Together with 1126823251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1126823239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563411624 + 563411625.

It is an arithmetic number, because the mean of its divisors is an integer number (563411625).

Almost surely, 2^1126823249 is an apocalyptic number.

It is an amenable number.

1126823249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126823249 is an equidigital number, since it uses as much as digits as its factorization.

1126823249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 1126823249 is about 33568.1880505934. The cubic root of 1126823249 is about 1040.6034617179.

The spelling of 1126823249 in words is "one billion, one hundred twenty-six million, eight hundred twenty-three thousand, two hundred forty-nine".