1301145871 has 4 divisors (see below), whose sum is σ = 1346013000. Its totient is φ = 1256278744.

The previous prime is 1301145869. The next prime is 1301145877. The reversal of 1301145871 is 1785411031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1785411031 = 8123 ⋅219797.

It is a cyclic number.

It is not a de Polignac number, because 1301145871 - 2¹ = 1301145869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301145877) by changing a digit.

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, 22433521 + ... + 22433578.

It is an arithmetic number, because the mean of its divisors is an integer number (336503250).

Almost surely, 2^1301145871 is an apocalyptic number.

1301145871 is a deficient number, since it is larger than the sum of its proper divisors (44867129).

1301145871 is an equidigital number, since it uses as much as digits as its factorization.

1301145871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44867128.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 1301145871 is about 36071.3996262967. The cubic root of 1301145871 is about 1091.7134543926.

The spelling of 1301145871 in words is "one billion, three hundred one million, one hundred forty-five thousand, eight hundred seventy-one".