1032404421 has 4 divisors (see below), whose sum is σ = 1376539232. Its totient is φ = 688269612.

The previous prime is 1032404419. The next prime is 1032404453. The reversal of 1032404421 is 1244042301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1244042301 = 3 ⋅414680767.

It is not a de Polignac number, because 1032404421 - 2¹ = 1032404419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032404621) 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 3 ways as a sum of consecutive naturals, for example, 172067401 + ... + 172067406.

It is an arithmetic number, because the mean of its divisors is an integer number (344134808).

Almost surely, 2^1032404421 is an apocalyptic number.

It is an amenable number.

1032404421 is a deficient number, since it is larger than the sum of its proper divisors (344134811).

1032404421 is an equidigital number, since it uses as much as digits as its factorization.

1032404421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344134810.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1032404421 is about 32131.0507297847. The cubic root of 1032404421 is about 1010.6868578902.

Adding to 1032404421 its reverse (1244042301), we get a palindrome (2276446722).

The spelling of 1032404421 in words is "one billion, thirty-two million, four hundred four thousand, four hundred twenty-one".