1301112021 has 8 divisors (see below), whose sum is σ = 1892526624. Its totient is φ = 788552720.

The previous prime is 1301112019. The next prime is 1301112031. The reversal of 1301112021 is 1202111031.

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 1301112021 - 2¹ = 1301112019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301111988 and 1301112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301112031) 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, 19713786 + ... + 19713851.

It is an arithmetic number, because the mean of its divisors is an integer number (236565828).

Almost surely, 2^1301112021 is an apocalyptic number.

1301112021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1301112021 is a deficient number, since it is larger than the sum of its proper divisors (591414603).

1301112021 is a wasteful number, since it uses less digits than its factorization.

1301112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39427651.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1301112021 is about 36070.9304149477. The cubic root of 1301112021 is about 1091.7039871423.

Adding to 1301112021 its reverse (1202111031), we get a palindrome (2503223052).

The spelling of 1301112021 in words is "one billion, three hundred one million, one hundred twelve thousand, twenty-one".