1003412421 has 32 divisors (see below), whose sum is σ = 1692195840. Its totient is φ = 581684400.

The previous prime is 1003412411. The next prime is 1003412429. The reversal of 1003412421 is 1242143001.

It is not a de Polignac number, because 1003412421 - 2⁹ = 1003411909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1003412394 and 1003412403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003412429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66615 + ... + 80276.

It is an arithmetic number, because the mean of its divisors is an integer number (52881120).

Almost surely, 2^1003412421 is an apocalyptic number.

1003412421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1003412421 is a deficient number, since it is larger than the sum of its proper divisors (688783419).

1003412421 is a wasteful number, since it uses less digits than its factorization.

1003412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146934 (or 146928 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1003412421 is about 31676.6857641389. The cubic root of 1003412421 is about 1001.1361822676.

Adding to 1003412421 its reverse (1242143001), we get a palindrome (2245555422).

The spelling of 1003412421 in words is "one billion, three million, four hundred twelve thousand, four hundred twenty-one".