1202130205 has 4 divisors (see below), whose sum is σ = 1442556252. Its totient is φ = 961704160.

The previous prime is 1202130191. The next prime is 1202130217. The reversal of 1202130205 is 5020312021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5020312021 = 83 ⋅60485687.

It can be written as a sum of positive squares in 2 ways, for example, as 246207481 + 955922724 = 15691^2 + 30918^2 .

It is not a de Polignac number, because 1202130205 - 2⁵ = 1202130173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120213016 + ... + 120213025.

It is an arithmetic number, because the mean of its divisors is an integer number (360639063).

Almost surely, 2^1202130205 is an apocalyptic number.

It is an amenable number.

1202130205 is a deficient number, since it is larger than the sum of its proper divisors (240426047).

1202130205 is an equidigital number, since it uses as much as digits as its factorization.

1202130205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240426046.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1202130205 is about 34671.7493789973. The cubic root of 1202130205 is about 1063.2869976392.

Adding to 1202130205 its reverse (5020312021), we get a palindrome (6222442226).

The spelling of 1202130205 in words is "one billion, two hundred two million, one hundred thirty thousand, two hundred five".