1244080906 has 8 divisors (see below), whose sum is σ = 1866271140. Its totient is φ = 621990528.

The previous prime is 1244080867. The next prime is 1244080907. The reversal of 1244080906 is 6090804421.

It can be written as a sum of positive squares in 2 ways, for example, as 1222131681 + 21949225 = 34959^2 + 4685^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1244080907) 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, 34810 + ... + 60826.

Almost surely, 2^1244080906 is an apocalyptic number.

1244080906 is a deficient number, since it is larger than the sum of its proper divisors (622190234).

1244080906 is a wasteful number, since it uses less digits than its factorization.

1244080906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49928.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1244080906 is about 35271.5310980400. The cubic root of 1244080906 is about 1075.5143472667.

The spelling of 1244080906 in words is "one billion, two hundred forty-four million, eighty thousand, nine hundred six".