1123677899 has 2 divisors, whose sum is σ = 1123677900. Its totient is φ = 1123677898.

The previous prime is 1123677887. The next prime is 1123677911. The reversal of 1123677899 is 9987763211.

It is a balanced prime because it is at equal distance from previous prime (1123677887) and next prime (1123677911).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123677899 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1123677899.

It is not a weakly prime, because it can be changed into another prime (1123677799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561838949 + 561838950.

It is an arithmetic number, because the mean of its divisors is an integer number (561838950).

Almost surely, 2^1123677899 is an apocalyptic number.

1123677899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123677899 is an equidigital number, since it uses as much as digits as its factorization.

1123677899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 53.

The square root of 1123677899 is about 33521.3051506053. The cubic root of 1123677899 is about 1039.6343324288.

The spelling of 1123677899 in words is "one billion, one hundred twenty-three million, six hundred seventy-seven thousand, eight hundred ninety-nine".