1301030021 has 8 divisors (see below), whose sum is σ = 1323317088. Its totient is φ = 1278774000.

The previous prime is 1301029993. The next prime is 1301030023. The reversal of 1301030021 is 1200301031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1301030021 - 2¹⁸ = 1300767877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301029984 and 1301030011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301030023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86426 + ... + 100356.

It is an arithmetic number, because the mean of its divisors is an integer number (165414636).

Almost surely, 2^1301030021 is an apocalyptic number.

It is an amenable number.

1301030021 is a deficient number, since it is larger than the sum of its proper divisors (22287067).

1301030021 is a wasteful number, since it uses less digits than its factorization.

1301030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15523.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1301030021 is about 36069.7937476776. The cubic root of 1301030021 is about 1091.6810525023.

Adding to 1301030021 its reverse (1200301031), we get a palindrome (2501331052).

The spelling of 1301030021 in words is "one billion, three hundred one million, thirty thousand, twenty-one".