1034403421 has 2 divisors, whose sum is σ = 1034403422. Its totient is φ = 1034403420.

The previous prime is 1034403397. The next prime is 1034403427. The reversal of 1034403421 is 1243044301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814474521 + 219928900 = 28539^2 + 14830^2 .

It is a cyclic number.

It is not a de Polignac number, because 1034403421 - 2⁹ = 1034402909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1034403392 and 1034403401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1034403427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517201710 + 517201711.

It is an arithmetic number, because the mean of its divisors is an integer number (517201711).

Almost surely, 2^1034403421 is an apocalyptic number.

It is an amenable number.

1034403421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1034403421 is an equidigital number, since it uses as much as digits as its factorization.

1034403421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1034403421 is about 32162.1426680500. The cubic root of 1034403421 is about 1011.3387537327.

Adding to 1034403421 its reverse (1243044301), we get a palindrome (2277447722).

The spelling of 1034403421 in words is "one billion, thirty-four million, four hundred three thousand, four hundred twenty-one".