1014243421 has 2 divisors, whose sum is σ = 1014243422. Its totient is φ = 1014243420.

The previous prime is 1014243413. The next prime is 1014243481. The reversal of 1014243421 is 1243424101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 908359321 + 105884100 = 30139^2 + 10290^2 .

It is a cyclic number.

It is not a de Polignac number, because 1014243421 - 2³ = 1014243413 is a prime.

It is a super-3 number, since 3×1014243421³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1014243392 and 1014243401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1014243481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507121710 + 507121711.

It is an arithmetic number, because the mean of its divisors is an integer number (507121711).

Almost surely, 2^1014243421 is an apocalyptic number.

It is an amenable number.

1014243421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1014243421 is an equidigital number, since it uses as much as digits as its factorization.

1014243421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1014243421 is about 31847.1885886337. The cubic root of 1014243421 is about 1004.7254420249.

Adding to 1014243421 its reverse (1243424101), we get a palindrome (2257667522).

The spelling of 1014243421 in words is "one billion, fourteen million, two hundred forty-three thousand, four hundred twenty-one".