1111123379 has 2 divisors, whose sum is σ = 1111123380. Its totient is φ = 1111123378.

The previous prime is 1111123369. The next prime is 1111123441. The reversal of 1111123379 is 9733211111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111123379 - 2¹² = 1111119283 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1111123319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555561689 + 555561690.

It is an arithmetic number, because the mean of its divisors is an integer number (555561690).

Almost surely, 2^1111123379 is an apocalyptic number.

1111123379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111123379 is an equidigital number, since it uses as much as digits as its factorization.

1111123379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 29.

The square root of 1111123379 is about 33333.5173511587. The cubic root of 1111123379 is about 1035.7479805556.

The spelling of 1111123379 in words is "one billion, one hundred eleven million, one hundred twenty-three thousand, three hundred seventy-nine".