1102447 has 2 divisors, whose sum is σ = 1102448. Its totient is φ = 1102446.

The previous prime is 1102441. The next prime is 1102457. The reversal of 1102447 is 7442011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551223 + 551224.

It is an arithmetic number, because the mean of its divisors is an integer number (551224).

2^1102447 is an apocalyptic number.

1102447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102447 is an equidigital number, since it uses as much as digits as its factorization.

1102447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1102447 is about 1049.9747616014. The cubic root of 1102447 is about 103.3044999909.

Adding to 1102447 its reverse (7442011), we get a palindrome (8544458).

The spelling of 1102447 in words is "one million, one hundred two thousand, four hundred forty-seven".