1105387 has 2 divisors, whose sum is σ = 1105388. Its totient is φ = 1105386.

The previous prime is 1105343. The next prime is 1105397. The reversal of 1105387 is 7835011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1105387 - 2¹¹ = 1103339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1105327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552693 + 552694.

It is an arithmetic number, because the mean of its divisors is an integer number (552694).

2^1105387 is an apocalyptic number.

1105387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105387 is an equidigital number, since it uses as much as digits as its factorization.

1105387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1105387 is about 1051.3738630953. The cubic root of 1105387 is about 103.3962491172.

The spelling of 1105387 in words is "one million, one hundred five thousand, three hundred eighty-seven".