1205110002 has 16 divisors (see below), whose sum is σ = 2466272160. Its totient is φ = 392361312.

The previous prime is 1205109977. The next prime is 1205110009. The reversal of 1205110002 is 2000115021.

It is a self number, because there is not a number n which added to its sum of digits gives 1205110002.

It is not an unprimeable number, because it can be changed into a prime (1205110009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335227 + ... + 2335742.

It is an arithmetic number, because the mean of its divisors is an integer number (154142010).

Almost surely, 2^1205110002 is an apocalyptic number.

1205110002 is an abundant number, since it is smaller than the sum of its proper divisors (1261162158).

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

1205110002 is a wasteful number, since it uses less digits than its factorization.

1205110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671017.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1205110002 is about 34714.6943238739. The cubic root of 1205110002 is about 1064.1648185561.

Adding to 1205110002 its reverse (2000115021), we get a palindrome (3205225023).

The spelling of 1205110002 in words is "one billion, two hundred five million, one hundred ten thousand, two".