1301210225 has 24 divisors (see below), whose sum is σ = 1846578240. Its totient is φ = 891011520.

The previous prime is 1301210189. The next prime is 1301210299. The reversal of 1301210225 is 5220121031.

It is a happy number.

It is not a de Polignac number, because 1301210225 - 2²⁶ = 1234101361 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130466 + ... + 140084.

It is an arithmetic number, because the mean of its divisors is an integer number (76940760).

Almost surely, 2^1301210225 is an apocalyptic number.

It is an amenable number.

1301210225 is a deficient number, since it is larger than the sum of its proper divisors (545368015).

1301210225 is an equidigital number, since it uses as much as digits as its factorization.

1301210225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10409 (or 10404 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1301210225 is about 36072.2916516265. The cubic root of 1301210225 is about 1091.7314526230.

Adding to 1301210225 its reverse (5220121031), we get a palindrome (6521331256).

The spelling of 1301210225 in words is "one billion, three hundred one million, two hundred ten thousand, two hundred twenty-five".