1301385121 has 16 divisors (see below), whose sum is σ = 1363714560. Its totient is φ = 1240303680.

The previous prime is 1301385119. The next prime is 1301385133. The reversal of 1301385121 is 1215831031.

It is a cyclic number.

It is not a de Polignac number, because 1301385121 - 2¹ = 1301385119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1301385521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1382511 + ... + 1383451.

It is an arithmetic number, because the mean of its divisors is an integer number (85232160).

Almost surely, 2^1301385121 is an apocalyptic number.

It is an amenable number.

1301385121 is a deficient number, since it is larger than the sum of its proper divisors (62329439).

1301385121 is a wasteful number, since it uses less digits than its factorization.

1301385121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1301385121 is about 36074.7158131564. The cubic root of 1301385121 is about 1091.7803637332.

The spelling of 1301385121 in words is "one billion, three hundred one million, three hundred eighty-five thousand, one hundred twenty-one".