1248545 has 8 divisors (see below), whose sum is σ = 1521024. Its totient is φ = 983664.

The previous prime is 1248539. The next prime is 1248551. The reversal of 1248545 is 5458421.

It is an interprime number because it is at equal distance from previous prime (1248539) and next prime (1248551).

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 1248545 - 2⁴ = 1248529 is a prime.

It is a Duffinian number.

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, 1529 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (190128).

2^1248545 is an apocalyptic number.

It is an amenable number.

1248545 is a deficient number, since it is larger than the sum of its proper divisors (272479).

1248545 is an equidigital number, since it uses as much as digits as its factorization.

1248545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799.

The product of its digits is 6400, while the sum is 29.

The square root of 1248545 is about 1117.3831035057. The cubic root of 1248545 is about 107.6799222413.

The spelling of 1248545 in words is "one million, two hundred forty-eight thousand, five hundred forty-five".