1206421050 has 24 divisors (see below), whose sum is σ = 2991924576. Its totient is φ = 321712240.

The previous prime is 1206421037. The next prime is 1206421057. The reversal of 1206421050 is 501246021.

It is not an unprimeable number, because it can be changed into a prime (1206421057) 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, 4021254 + ... + 4021553.

It is an arithmetic number, because the mean of its divisors is an integer number (124663524).

Almost surely, 2^1206421050 is an apocalyptic number.

1206421050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1206421050 is an abundant number, since it is smaller than the sum of its proper divisors (1785503526).

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

1206421050 is a wasteful number, since it uses less digits than its factorization.

1206421050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042822 (or 8042817 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1206421050 is about 34733.5723760168. The cubic root of 1206421050 is about 1064.5505829321.

Adding to 1206421050 its reverse (501246021), we get a palindrome (1707667071).

The spelling of 1206421050 in words is "one billion, two hundred six million, four hundred twenty-one thousand, fifty".