1301606125 has 16 divisors (see below), whose sum is σ = 1625592384. Its totient is φ = 1040523600.

The previous prime is 1301606123. The next prime is 1301606161. The reversal of 1301606125 is 5216061031.

It is not a de Polignac number, because 1301606125 - 2¹ = 1301606123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1301606125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301606123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220462 + ... + 226288.

It is an arithmetic number, because the mean of its divisors is an integer number (101599524).

Almost surely, 2^1301606125 is an apocalyptic number.

It is an amenable number.

1301606125 is a deficient number, since it is larger than the sum of its proper divisors (323986259).

1301606125 is an equidigital number, since it uses as much as digits as its factorization.

1301606125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7629 (or 7619 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1301606125 is about 36077.7788257537. The cubic root of 1301606125 is about 1091.8421630592.

Adding to 1301606125 its reverse (5216061031), we get a palindrome (6517667156).

The spelling of 1301606125 in words is "one billion, three hundred one million, six hundred six thousand, one hundred twenty-five".