1155420527 has 2 divisors, whose sum is σ = 1155420528. Its totient is φ = 1155420526.

The previous prime is 1155420493. The next prime is 1155420529. The reversal of 1155420527 is 7250245511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1155420527 - 2⁸ = 1155420271 is a prime.

Together with 1155420529, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155420493 and 1155420502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1155420529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577710263 + 577710264.

It is an arithmetic number, because the mean of its divisors is an integer number (577710264).

Almost surely, 2^1155420527 is an apocalyptic number.

1155420527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155420527 is an equidigital number, since it uses as much as digits as its factorization.

1155420527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 1155420527 is about 33991.4772700452. The cubic root of 1155420527 is about 1049.3330691419. Note that the first 3 decimals are identical.

The spelling of 1155420527 in words is "one billion, one hundred fifty-five million, four hundred twenty thousand, five hundred twenty-seven".