1244014618 has 16 divisors (see below), whose sum is σ = 2326469184. Its totient is φ = 484680960.

The previous prime is 1244014613. The next prime is 1244014619. The reversal of 1244014618 is 8164104421.

It is a self number, because there is not a number n which added to its sum of digits gives 1244014618.

It is not an unprimeable number, because it can be changed into a prime (1244014613) 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 in 7 ways as a sum of consecutive naturals, for example, 4038855 + ... + 4039162.

It is an arithmetic number, because the mean of its divisors is an integer number (145404324).

Almost surely, 2^1244014618 is an apocalyptic number.

1244014618 is a deficient number, since it is larger than the sum of its proper divisors (1082454566).

1244014618 is a wasteful number, since it uses less digits than its factorization.

1244014618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078037.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1244014618 is about 35270.5914041713. The cubic root of 1244014618 is about 1075.4952448217.

The spelling of 1244014618 in words is "one billion, two hundred forty-four million, fourteen thousand, six hundred eighteen".