1242496 has 32 divisors (see below), whose sum is σ = 2625480. Its totient is φ = 583680.

The previous prime is 1242487. The next prime is 1242503. The reversal of 1242496 is 6942421.

It is a tau number, because it is divible by the number of its divisors (32).

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, 1891 + ... + 2461.

2^1242496 is an apocalyptic number.

1242496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312740).

1242496 is an abundant number, since it is smaller than the sum of its proper divisors (1382984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242496 is an equidigital number, since it uses as much as digits as its factorization.

1242496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 590 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 1242496 is about 1114.6730462337. The cubic root of 1242496 is about 107.5057433384.

The spelling of 1242496 in words is "one million, two hundred forty-two thousand, four hundred ninety-six".