1206644748 has 12 divisors (see below), whose sum is σ = 2815504440. Its totient is φ = 402214912.

The previous prime is 1206644743. The next prime is 1206644759. The reversal of 1206644748 is 8474466021.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1206644743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50276853 + ... + 50276876.

It is an arithmetic number, because the mean of its divisors is an integer number (234625370).

Almost surely, 2^1206644748 is an apocalyptic number.

It is an amenable number.

1206644748 is an abundant number, since it is smaller than the sum of its proper divisors (1608859692).

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

1206644748 is a wasteful number, since it uses less digits than its factorization.

1206644748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100553736 (or 100553734 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 1206644748 is about 34736.7924253233. The cubic root of 1206644748 is about 1064.6163761914.

The spelling of 1206644748 in words is "one billion, two hundred six million, six hundred forty-four thousand, seven hundred forty-eight".