1244086516 has 12 divisors (see below), whose sum is σ = 2189315520. Its totient is φ = 618567800.

The previous prime is 1244086511. The next prime is 1244086523. The reversal of 1244086516 is 6156804421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244086511) 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, 868060 + ... + 869491.

It is an arithmetic number, because the mean of its divisors is an integer number (182442960).

Almost surely, 2^1244086516 is an apocalyptic number.

It is an amenable number.

1244086516 is a deficient number, since it is larger than the sum of its proper divisors (945229004).

1244086516 is a wasteful number, since it uses less digits than its factorization.

1244086516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737734 (or 1737732 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1244086516 is about 35271.6106238431. The cubic root of 1244086516 is about 1075.5159638889.

The spelling of 1244086516 in words is "one billion, two hundred forty-four million, eighty-six thousand, five hundred sixteen".