1301020421 has 8 divisors (see below), whose sum is σ = 1450054080. Its totient is φ = 1160042688.

The previous prime is 1301020397. The next prime is 1301020433. The reversal of 1301020421 is 1240201031.

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 1301020421 - 2¹⁰ = 1301019397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1301020396 and 1301020405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301020471) 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, 2013641 + ... + 2014286.

It is an arithmetic number, because the mean of its divisors is an integer number (181256760).

Almost surely, 2^1301020421 is an apocalyptic number.

It is an amenable number.

1301020421 is a deficient number, since it is larger than the sum of its proper divisors (149033659).

1301020421 is a wasteful number, since it uses less digits than its factorization.

1301020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027963.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1301020421 is about 36069.6606720939. The cubic root of 1301020421 is about 1091.6783674082.

Adding to 1301020421 its reverse (1240201031), we get a palindrome (2541221452).

The spelling of 1301020421 in words is "one billion, three hundred one million, twenty thousand, four hundred twenty-one".