1034421421 has 4 divisors (see below), whose sum is σ = 1128459744. Its totient is φ = 940383100.

The previous prime is 1034421419. The next prime is 1034421433. The reversal of 1034421421 is 1241244301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1034421421 - 2¹ = 1034421419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1034421392 and 1034421401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1034821421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47019145 + ... + 47019166.

It is an arithmetic number, because the mean of its divisors is an integer number (282114936).

Almost surely, 2^1034421421 is an apocalyptic number.

1034421421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1034421421 is a deficient number, since it is larger than the sum of its proper divisors (94038323).

1034421421 is an equidigital number, since it uses as much as digits as its factorization.

1034421421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94038322.

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

The square root of 1034421421 is about 32162.4224989350. The cubic root of 1034421421 is about 1011.3446199133.

Adding to 1034421421 its reverse (1241244301), we get a palindrome (2275665722).

The spelling of 1034421421 in words is "one billion, thirty-four million, four hundred twenty-one thousand, four hundred twenty-one".