1123224139 has 2 divisors, whose sum is σ = 1123224140. Its totient is φ = 1123224138.

The previous prime is 1123224101. The next prime is 1123224149. The reversal of 1123224139 is 9314223211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123224139 - 2¹¹ = 1123222091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123224149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561612069 + 561612070.

It is an arithmetic number, because the mean of its divisors is an integer number (561612070).

Almost surely, 2^1123224139 is an apocalyptic number.

1123224139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123224139 is an equidigital number, since it uses as much as digits as its factorization.

1123224139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 1123224139 is about 33514.5362342969. The cubic root of 1123224139 is about 1039.4943729888.

The spelling of 1123224139 in words is "one billion, one hundred twenty-three million, two hundred twenty-four thousand, one hundred thirty-nine".