1248715 has 8 divisors (see below), whose sum is σ = 1613808. Its totient is φ = 922080.

The previous prime is 1248703. The next prime is 1248721. The reversal of 1248715 is 5178421.

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

It is not a de Polignac number, because 1248715 - 2¹¹ = 1246667 is a prime.

It is a Duffinian number.

1248715 is a lucky number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 9541 + ... + 9670.

It is an arithmetic number, because the mean of its divisors is an integer number (201726).

2^1248715 is an apocalyptic number.

1248715 is a deficient number, since it is larger than the sum of its proper divisors (365093).

1248715 is a wasteful number, since it uses less digits than its factorization.

1248715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19229.

The product of its digits is 2240, while the sum is 28.

The square root of 1248715 is about 1117.4591715137. The cubic root of 1248715 is about 107.6848091979.

The spelling of 1248715 in words is "one million, two hundred forty-eight thousand, seven hundred fifteen".