1244978 has 16 divisors (see below), whose sum is σ = 2260224. Its totient is φ = 502080.

The previous prime is 1244953. The next prime is 1244987. The reversal of 1244978 is 8794421.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2378 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (141264).

2^1244978 is an apocalyptic number.

1244978 is a deficient number, since it is larger than the sum of its proper divisors (1015246).

1244978 is a wasteful number, since it uses less digits than its factorization.

1244978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257.

The product of its digits is 16128, while the sum is 35.

The square root of 1244978 is about 1115.7858217418. The cubic root of 1244978 is about 107.5772799281.

It can be divided in two parts, 1244 and 978, that added together give a palindrome (2222).

The spelling of 1244978 in words is "one million, two hundred forty-four thousand, nine hundred seventy-eight".