1205221514 has 16 divisors (see below), whose sum is σ = 2066732928. Its totient is φ = 516363792.

The previous prime is 1205221487. The next prime is 1205221529. The reversal of 1205221514 is 4151225021.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1205221514.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41312 + ... + 64164.

It is an arithmetic number, because the mean of its divisors is an integer number (129170808).

Almost surely, 2^1205221514 is an apocalyptic number.

1205221514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1205221514 is a deficient number, since it is larger than the sum of its proper divisors (861511414).

1205221514 is a wasteful number, since it uses less digits than its factorization.

1205221514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26629.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1205221514 is about 34716.3004077335. The cubic root of 1205221514 is about 1064.1976408675.

Adding to 1205221514 its reverse (4151225021), we get a palindrome (5356446535).

The spelling of 1205221514 in words is "one billion, two hundred five million, two hundred twenty-one thousand, five hundred fourteen".