1244819946 has 16 divisors (see below), whose sum is σ = 2490001344. Its totient is φ = 414879744.

The previous prime is 1244819929. The next prime is 1244819959. The reversal of 1244819946 is 6499184421.

It is a junction number, because it is equal to n+sod(n) for n = 1244819895 and 1244819904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54250 + ... + 73706.

It is an arithmetic number, because the mean of its divisors is an integer number (155625084).

Almost surely, 2^1244819946 is an apocalyptic number.

1244819946 is an abundant number, since it is smaller than the sum of its proper divisors (1245181398).

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

1244819946 is a wasteful number, since it uses less digits than its factorization.

1244819946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30125.

The product of its digits is 497664, while the sum is 48.

The square root of 1244819946 is about 35282.0059803861. The cubic root of 1244819946 is about 1075.7272730712.

The spelling of 1244819946 in words is "one billion, two hundred forty-four million, eight hundred nineteen thousand, nine hundred forty-six".