1127723369 has 2 divisors, whose sum is σ = 1127723370. Its totient is φ = 1127723368.

The previous prime is 1127723323. The next prime is 1127723371. The reversal of 1127723369 is 9633277211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1021633369 + 106090000 = 31963^2 + 10300^2 .

It is an emirp because it is prime and its reverse (9633277211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1127723369 - 2¹⁶ = 1127657833 is a prime.

It is a super-2 number, since 2×1127723369² = 2543519993977420322, which contains 22 as substring.

Together with 1127723371, 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 (1127723269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563861684 + 563861685.

It is an arithmetic number, because the mean of its divisors is an integer number (563861685).

Almost surely, 2^1127723369 is an apocalyptic number.

It is an amenable number.

1127723369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127723369 is an equidigital number, since it uses as much as digits as its factorization.

1127723369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 41.

The square root of 1127723369 is about 33581.5927108885. The cubic root of 1127723369 is about 1040.8804701698.

The spelling of 1127723369 in words is "one billion, one hundred twenty-seven million, seven hundred twenty-three thousand, three hundred sixty-nine".