1301506125 has 16 divisors (see below), whose sum is σ = 2165706816. Its totient is φ = 694136400.

The previous prime is 1301506121. The next prime is 1301506127. The reversal of 1301506125 is 5216051031.

It is not a de Polignac number, because 1301506125 - 2² = 1301506121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301506095 and 1301506104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301506121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1734967 + ... + 1735716.

It is an arithmetic number, because the mean of its divisors is an integer number (135356676).

Almost surely, 2^1301506125 is an apocalyptic number.

1301506125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1301506125 is a deficient number, since it is larger than the sum of its proper divisors (864200691).

1301506125 is an equidigital number, since it uses as much as digits as its factorization.

1301506125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470701 (or 3470691 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1301506125 is about 36076.3929045020. The cubic root of 1301506125 is about 1091.8142009360.

Adding to 1301506125 its reverse (5216051031), we get a palindrome (6517557156).

The spelling of 1301506125 in words is "one billion, three hundred one million, five hundred six thousand, one hundred twenty-five".