1307420421 has 8 divisors (see below), whose sum is σ = 1750461504. Its totient is φ = 867996480.

The previous prime is 1307420393. The next prime is 1307420449. The reversal of 1307420421 is 1240247031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1307420393) and next prime (1307420449).

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

It is not a de Polignac number, because 1307420421 - 2⁶ = 1307420357 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1307420391 and 1307420400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307420321) 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 7 ways as a sum of consecutive naturals, for example, 903441 + ... + 904886.

It is an arithmetic number, because the mean of its divisors is an integer number (218807688).

Almost surely, 2^1307420421 is an apocalyptic number.

It is an amenable number.

1307420421 is a deficient number, since it is larger than the sum of its proper divisors (443041083).

1307420421 is a wasteful number, since it uses less digits than its factorization.

1307420421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808571.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1307420421 is about 36158.2690542565. The cubic root of 1307420421 is about 1093.4655072605.

Adding to 1307420421 its reverse (1240247031), we get a palindrome (2547667452).

The spelling of 1307420421 in words is "one billion, three hundred seven million, four hundred twenty thousand, four hundred twenty-one".