1242848 has 12 divisors (see below), whose sum is σ = 2446920. Its totient is φ = 621408.

The previous prime is 1242841. The next prime is 1242859. The reversal of 1242848 is 8482421.

It is a super-2 number, since 2×1242848² = 3089342302208, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1242848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242841) by changing a digit.

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 as a sum of consecutive naturals, namely, 19388 + ... + 19451.

It is an arithmetic number, because the mean of its divisors is an integer number (203910).

2^1242848 is an apocalyptic number.

It is an amenable number.

1242848 is a deficient number, since it is larger than the sum of its proper divisors (1204072).

1242848 is an equidigital number, since it uses as much as digits as its factorization.

1242848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38849 (or 38841 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 1242848 is about 1114.8309288856. The cubic root of 1242848 is about 107.5158945310.

The spelling of 1242848 in words is "one million, two hundred forty-two thousand, eight hundred forty-eight".