1043721404 has 12 divisors (see below), whose sum is σ = 1992559128. Its totient is φ = 474418800.

The previous prime is 1043721383. The next prime is 1043721451. The reversal of 1043721404 is 4041273401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11860427 + ... + 11860514.

It is an arithmetic number, because the mean of its divisors is an integer number (166046594).

Almost surely, 2^1043721404 is an apocalyptic number.

It is an amenable number.

1043721404 is a deficient number, since it is larger than the sum of its proper divisors (948837724).

1043721404 is a wasteful number, since it uses less digits than its factorization.

1043721404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23720956 (or 23720954 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1043721404 is about 32306.6773902857. The cubic root of 1043721404 is about 1014.3664189588.

Adding to 1043721404 its reverse (4041273401), we get a palindrome (5084994805).

The spelling of 1043721404 in words is "one billion, forty-three million, seven hundred twenty-one thousand, four hundred four".