1301248539 has 12 divisors (see below), whose sum is σ = 1882716472. Its totient is φ = 866052000.

The previous prime is 1301248517. The next prime is 1301248567. The reversal of 1301248539 is 9358421031.

1301248539 is a `hidden beast` number, since 130 + 12 + 485 + 39 = 666.

It is not a de Polignac number, because 1301248539 - 2¹⁵ = 1301215771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301248139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114877 + ... + 125694.

Almost surely, 2^1301248539 is an apocalyptic number.

1301248539 is a deficient number, since it is larger than the sum of its proper divisors (581467933).

1301248539 is a wasteful number, since it uses less digits than its factorization.

1301248539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241178 (or 241175 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1301248539 is about 36072.8227201587. The cubic root of 1301248539 is about 1091.7421678242.

The spelling of 1301248539 in words is "one billion, three hundred one million, two hundred forty-eight thousand, five hundred thirty-nine".