1301021093 has 4 divisors (see below), whose sum is σ = 1312534668. Its totient is φ = 1289507520.

The previous prime is 1301021089. The next prime is 1301021107. The reversal of 1301021093 is 3901201031.

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 126382564 + 1174638529 = 11242^2 + 34273^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301021093 - 2² = 1301021089 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 (1301021063) 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, 5756618 + ... + 5756843.

It is an arithmetic number, because the mean of its divisors is an integer number (328133667).

Almost surely, 2^1301021093 is an apocalyptic number.

It is an amenable number.

1301021093 is a deficient number, since it is larger than the sum of its proper divisors (11513575).

1301021093 is a wasteful number, since it uses less digits than its factorization.

1301021093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11513574.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1301021093 is about 36069.6699874008. The cubic root of 1301021093 is about 1091.6785553652.

The spelling of 1301021093 in words is "one billion, three hundred one million, twenty-one thousand, ninety-three".