1248664 has 16 divisors (see below), whose sum is σ = 2361600. Its totient is φ = 618912.

The previous prime is 1248641. The next prime is 1248671. The reversal of 1248664 is 4668421.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402 + ... + 1630.

It is an arithmetic number, because the mean of its divisors is an integer number (147600).

2^1248664 is an apocalyptic number.

It is an amenable number.

1248664 is a deficient number, since it is larger than the sum of its proper divisors (1112936).

1248664 is a wasteful number, since it uses less digits than its factorization.

1248664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1358 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 1248664 is about 1117.4363516550. The cubic root of 1248664 is about 107.6833431575.

The spelling of 1248664 in words is "one million, two hundred forty-eight thousand, six hundred sixty-four".