1248105 has 8 divisors (see below), whose sum is σ = 1996992. Its totient is φ = 665648.

The previous prime is 1248103. The next prime is 1248113. The reversal of 1248105 is 5018421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1248105 - 2¹ = 1248103 is a prime.

It is a Curzon number.

1248105 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1248101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41589 + ... + 41618.

It is an arithmetic number, because the mean of its divisors is an integer number (249624).

2^1248105 is an apocalyptic number.

1248105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1248105 is a deficient number, since it is larger than the sum of its proper divisors (748887).

1248105 is an equidigital number, since it uses as much as digits as its factorization.

1248105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83215.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1248105 is about 1117.1861975517. The cubic root of 1248105 is about 107.6672715872.

The spelling of 1248105 in words is "one million, two hundred forty-eight thousand, one hundred five".