1206505050 has 24 divisors (see below), whose sum is σ = 2992132896. Its totient is φ = 321734640.

The previous prime is 1206505033. The next prime is 1206505057. The reversal of 1206505050 is 505056021.

It is a self number, because there is not a number n which added to its sum of digits gives 1206505050.

It is not an unprimeable number, because it can be changed into a prime (1206505057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4021534 + ... + 4021833.

It is an arithmetic number, because the mean of its divisors is an integer number (124672204).

Almost surely, 2^1206505050 is an apocalyptic number.

1206505050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1206505050 is an abundant number, since it is smaller than the sum of its proper divisors (1785627846).

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

1206505050 is a wasteful number, since it uses less digits than its factorization.

1206505050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043382 (or 8043377 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1206505050 is about 34734.7815596989. The cubic root of 1206505050 is about 1064.5752896665.

The spelling of 1206505050 in words is "one billion, two hundred six million, five hundred five thousand, fifty".