1115414123 has 2 divisors, whose sum is σ = 1115414124. Its totient is φ = 1115414122.

The previous prime is 1115414119. The next prime is 1115414161. The reversal of 1115414123 is 3214145111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115414123 - 2² = 1115414119 is a prime.

It is not a weakly prime, because it can be changed into another prime (1115414623) 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, 557707061 + 557707062.

It is an arithmetic number, because the mean of its divisors is an integer number (557707062).

Almost surely, 2^1115414123 is an apocalyptic number.

1115414123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115414123 is an equidigital number, since it uses as much as digits as its factorization.

1115414123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 23.

The square root of 1115414123 is about 33397.8161411791. The cubic root of 1115414123 is about 1037.0794921994.

Adding to 1115414123 its reverse (3214145111), we get a palindrome (4329559234).

The spelling of 1115414123 in words is "one billion, one hundred fifteen million, four hundred fourteen thousand, one hundred twenty-three".