1301425145 has 4 divisors (see below), whose sum is σ = 1561710180. Its totient is φ = 1041140112.

The previous prime is 1301425129. The next prime is 1301425171. The reversal of 1301425145 is 5415241031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 304886521 + 996538624 = 17461^2 + 31568^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301425145 - 2⁴ = 1301425129 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 130142510 + ... + 130142519.

It is an arithmetic number, because the mean of its divisors is an integer number (390427545).

Almost surely, 2^1301425145 is an apocalyptic number.

It is an amenable number.

1301425145 is a deficient number, since it is larger than the sum of its proper divisors (260285035).

1301425145 is an equidigital number, since it uses as much as digits as its factorization.

1301425145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260285034.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1301425145 is about 36075.2705464561. The cubic root of 1301425145 is about 1091.7915561590.

Adding to 1301425145 its reverse (5415241031), we get a palindrome (6716666176).

The spelling of 1301425145 in words is "one billion, three hundred one million, four hundred twenty-five thousand, one hundred forty-five".