1301412021 has 24 divisors (see below), whose sum is σ = 2173790304. Its totient is φ = 686458080.

The previous prime is 1301412017. The next prime is 1301412031. The reversal of 1301412021 is 1202141031.

It is not a de Polignac number, because 1301412021 - 2² = 1301412017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301412001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338595 + ... + 342416.

It is an arithmetic number, because the mean of its divisors is an integer number (90574596).

Almost surely, 2^1301412021 is an apocalyptic number.

It is an amenable number.

1301412021 is a deficient number, since it is larger than the sum of its proper divisors (872378283).

1301412021 is a wasteful number, since it uses less digits than its factorization.

1301412021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681041 (or 681034 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1301412021 is about 36075.0886485397. The cubic root of 1301412021 is about 1091.7878861514.

Adding to 1301412021 its reverse (1202141031), we get a palindrome (2503553052).

The spelling of 1301412021 in words is "one billion, three hundred one million, four hundred twelve thousand, twenty-one".