1248145 has 8 divisors (see below), whose sum is σ = 1523520. Its totient is φ = 981360.

The previous prime is 1248119. The next prime is 1248151. The reversal of 1248145 is 5418421.

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

It is not a de Polignac number, because 1248145 - 2⁵ = 1248113 is a prime.

It is a super-3 number, since 3×1248145³ = 5833327754881945875, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821 + ... + 2410.

It is an arithmetic number, because the mean of its divisors is an integer number (190440).

2^1248145 is an apocalyptic number.

It is an amenable number.

1248145 is a deficient number, since it is larger than the sum of its proper divisors (275375).

1248145 is an equidigital number, since it uses as much as digits as its factorization.

1248145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295.

The product of its digits is 1280, while the sum is 25.

The square root of 1248145 is about 1117.2040995270. The cubic root of 1248145 is about 107.6684217695.

The spelling of 1248145 in words is "one million, two hundred forty-eight thousand, one hundred forty-five".