1300420125 has 24 divisors (see below), whose sum is σ = 2344226040. Its totient is φ = 693556800.

The previous prime is 1300420123. The next prime is 1300420129. The reversal of 1300420125 is 5210240031.

It can be written as a sum of positive squares in 4 ways, for example, as 157101156 + 1143318969 = 12534^2 + 33813^2 .

It is not a de Polignac number, because 1300420125 - 2¹ = 1300420123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300420098 and 1300420107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300420123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 576840 + ... + 579089.

It is an arithmetic number, because the mean of its divisors is an integer number (97676085).

Almost surely, 2^1300420125 is an apocalyptic number.

1300420125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1300420125 is a deficient number, since it is larger than the sum of its proper divisors (1043805915).

1300420125 is a wasteful number, since it uses less digits than its factorization.

1300420125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155950 (or 1155937 counting only the distinct ones).

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

The square root of 1300420125 is about 36061.3383695059. The cubic root of 1300420125 is about 1091.5104399970.

Adding to 1300420125 its reverse (5210240031), we get a palindrome (6510660156).

The spelling of 1300420125 in words is "one billion, three hundred million, four hundred twenty thousand, one hundred twenty-five".