1001421004432 has 20 divisors (see below), whose sum is σ = 1940280774400. Its totient is φ = 500703385248.

The previous prime is 1001421004411. The next prime is 1001421004447. The reversal of 1001421004432 is 2344001241001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826069 + ... + 1638667.

It is an arithmetic number, because the mean of its divisors is an integer number (97014038720).

Almost surely, 2^{1001421004432} is an apocalyptic number.

It is an amenable number.

1001421004432 is a deficient number, since it is larger than the sum of its proper divisors (938859769968).

1001421004432 is an equidigital number, since it uses as much as digits as its factorization.

1001421004432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889630 (or 889624 counting only the distinct ones).

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

Adding to 1001421004432 its reverse (2344001241001), we get a palindrome (3345422245433).

The spelling of 1001421004432 in words is "one trillion, one billion, four hundred twenty-one million, four thousand, four hundred thirty-two".