1124404189 has 2 divisors, whose sum is σ = 1124404190. Its totient is φ = 1124404188.

The previous prime is 1124404187. The next prime is 1124404247. The reversal of 1124404189 is 9814044211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 709956025 + 414448164 = 26645^2 + 20358^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124404189 - 2¹ = 1124404187 is a prime.

Together with 1124404187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1124404187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562202094 + 562202095.

It is an arithmetic number, because the mean of its divisors is an integer number (562202095).

Almost surely, 2^1124404189 is an apocalyptic number.

It is an amenable number.

1124404189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124404189 is an equidigital number, since it uses as much as digits as its factorization.

1124404189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1124404189 is about 33532.1366602249. The cubic root of 1124404189 is about 1039.8582736481.

The spelling of 1124404189 in words is "one billion, one hundred twenty-four million, four hundred four thousand, one hundred eighty-nine".