1202130225 has 18 divisors (see below), whose sum is σ = 2153149206. Its totient is φ = 641136000.

The previous prime is 1202130221. The next prime is 1202130227. The reversal of 1202130225 is 5220312021.

It can be written as a sum of positive squares in 3 ways, for example, as 51984 + 1202078241 = 228^2 + 34671^2 .

It is not a de Polignac number, because 1202130225 - 2² = 1202130221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202130198 and 1202130207.

It is not an unprimeable number, because it can be changed into a prime (1202130221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2671176 + ... + 2671625.

Almost surely, 2^1202130225 is an apocalyptic number.

1202130225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1202130225 is a deficient number, since it is larger than the sum of its proper divisors (951018981).

1202130225 is a wasteful number, since it uses less digits than its factorization.

1202130225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342817 (or 5342809 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1202130225 is about 34671.7496674166. The cubic root of 1202130225 is about 1063.2870035358.

Adding to 1202130225 its reverse (5220312021), we get a palindrome (6422442246).

The spelling of 1202130225 in words is "one billion, two hundred two million, one hundred thirty thousand, two hundred twenty-five".