1123467901 has 2 divisors, whose sum is σ = 1123467902. Its totient is φ = 1123467900.

The previous prime is 1123467893. The next prime is 1123468057. The reversal of 1123467901 is 1097643211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656691876 + 466776025 = 25626^2 + 21605^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123467901 - 2³ = 1123467893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123461901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561733950 + 561733951.

It is an arithmetic number, because the mean of its divisors is an integer number (561733951).

Almost surely, 2^1123467901 is an apocalyptic number.

It is an amenable number.

1123467901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123467901 is an equidigital number, since it uses as much as digits as its factorization.

1123467901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1123467901 is about 33518.1726978068. The cubic root of 1123467901 is about 1039.5695645410.

The spelling of 1123467901 in words is "one billion, one hundred twenty-three million, four hundred sixty-seven thousand, nine hundred one".