1043302421 has 16 divisors (see below), whose sum is σ = 1221475200. Its totient is φ = 872460288.

The previous prime is 1043302409. The next prime is 1043302451. The reversal of 1043302421 is 1242033401.

1043302421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1043302421 - 2¹⁴ = 1043286037 is a prime.

It is a super-2 number, since 2×1043302421² = 2176959883328922482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1043302393 and 1043302402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043302451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386645 + ... + 389333.

It is an arithmetic number, because the mean of its divisors is an integer number (76342200).

Almost surely, 2^1043302421 is an apocalyptic number.

It is an amenable number.

1043302421 is a deficient number, since it is larger than the sum of its proper divisors (178172779).

1043302421 is a wasteful number, since it uses less digits than its factorization.

1043302421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1043302421 is about 32300.1922749695. The cubic root of 1043302421 is about 1014.2306678007.

Adding to 1043302421 its reverse (1242033401), we get a palindrome (2285335822).

The spelling of 1043302421 in words is "one billion, forty-three million, three hundred two thousand, four hundred twenty-one".