1155252127 has 2 divisors, whose sum is σ = 1155252128. Its totient is φ = 1155252126.

The previous prime is 1155252067. The next prime is 1155252199. The reversal of 1155252127 is 7212525511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1155252127 - 2²³ = 1146863519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1155262127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577626063 + 577626064.

It is an arithmetic number, because the mean of its divisors is an integer number (577626064).

Almost surely, 2^1155252127 is an apocalyptic number.

1155252127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155252127 is an equidigital number, since it uses as much as digits as its factorization.

1155252127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7000, while the sum is 31.

The square root of 1155252127 is about 33989.0000882638. Note that the first 4 decimals coincide. The cubic root of 1155252127 is about 1049.2820873362.

Adding to 1155252127 its reverse (7212525511), we get a palindrome (8367777638).

The spelling of 1155252127 in words is "one billion, one hundred fifty-five million, two hundred fifty-two thousand, one hundred twenty-seven".