1301428671 has 4 divisors (see below), whose sum is σ = 1735238232. Its totient is φ = 867619112.

The previous prime is 1301428663. The next prime is 1301428721. The reversal of 1301428671 is 1768241031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1768241031 = 3 ⋅589413677.

It is a cyclic number.

It is not a de Polignac number, because 1301428671 - 2³ = 1301428663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301428631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216904776 + ... + 216904781.

It is an arithmetic number, because the mean of its divisors is an integer number (433809558).

Almost surely, 2^1301428671 is an apocalyptic number.

1301428671 is a deficient number, since it is larger than the sum of its proper divisors (433809561).

1301428671 is an equidigital number, since it uses as much as digits as its factorization.

1301428671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433809560.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1301428671 is about 36075.3194164653. The cubic root of 1301428671 is about 1091.7925421687.

The spelling of 1301428671 in words is "one billion, three hundred one million, four hundred twenty-eight thousand, six hundred seventy-one".