1123677887 has 2 divisors, whose sum is σ = 1123677888. Its totient is φ = 1123677886.

The previous prime is 1123677871. The next prime is 1123677899. The reversal of 1123677887 is 7887763211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123677887 - 2⁴ = 1123677871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123677817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561838943 + 561838944.

It is an arithmetic number, because the mean of its divisors is an integer number (561838944).

Almost surely, 2^1123677887 is an apocalyptic number.

1123677887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123677887 is an equidigital number, since it uses as much as digits as its factorization.

1123677887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 50.

The square root of 1123677887 is about 33521.3049716147. The cubic root of 1123677887 is about 1039.6343287280.

The spelling of 1123677887 in words is "one billion, one hundred twenty-three million, six hundred seventy-seven thousand, eight hundred eighty-seven".