1244778 has 8 divisors (see below), whose sum is σ = 2489568. Its totient is φ = 414924.

The previous prime is 1244777. The next prime is 1244797. The reversal of 1244778 is 8774421.

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

1244778 is an admirable number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1244777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103726 + ... + 103737.

It is an arithmetic number, because the mean of its divisors is an integer number (311196).

2^1244778 is an apocalyptic number.

1244778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1244778 is a wasteful number, since it uses less digits than its factorization.

1244778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207468.

The product of its digits is 12544, while the sum is 33.

The square root of 1244778 is about 1115.6961952073. The cubic root of 1244778 is about 107.5715190209.

The spelling of 1244778 in words is "one million, two hundred forty-four thousand, seven hundred seventy-eight".