1301271125 has 32 divisors (see below), whose sum is σ = 2024725248. Its totient is φ = 811176000.

The previous prime is 1301271071. The next prime is 1301271131. The reversal of 1301271125 is 5211721031.

It is not a de Polignac number, because 1301271125 - 2¹² = 1301267029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1301271125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57974 + ... + 77223.

It is an arithmetic number, because the mean of its divisors is an integer number (63272664).

Almost surely, 2^1301271125 is an apocalyptic number.

It is an amenable number.

1301271125 is a deficient number, since it is larger than the sum of its proper divisors (723454123).

1301271125 is a wasteful number, since it uses less digits than its factorization.

1301271125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135230 (or 135220 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1301271125 is about 36073.1357799679. The cubic root of 1301271125 is about 1091.7484843080.

Adding to 1301271125 its reverse (5211721031), we get a palindrome (6512992156).

The spelling of 1301271125 in words is "one billion, three hundred one million, two hundred seventy-one thousand, one hundred twenty-five".