1301421233 has 20 divisors (see below), whose sum is σ = 1544135280. Its totient is φ = 1096477704.

The previous prime is 1301421227. The next prime is 1301421263. The reversal of 1301421233 is 3321241031.

It is not a de Polignac number, because 1301421233 - 2⁴ = 1301421217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301421263) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 137066 + ... + 146252.

It is an arithmetic number, because the mean of its divisors is an integer number (77206764).

Almost surely, 2^1301421233 is an apocalyptic number.

It is an amenable number.

1301421233 is a deficient number, since it is larger than the sum of its proper divisors (242714047).

1301421233 is an frugal number, since it uses more digits than its factorization.

1301421233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274 (or 9253 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1301421233 is about 36075.2163264477. The cubic root of 1301421233 is about 1091.7904622062.

Adding to 1301421233 its reverse (3321241031), we get a palindrome (4622662264).

The spelling of 1301421233 in words is "one billion, three hundred one million, four hundred twenty-one thousand, two hundred thirty-three".