1000541421 has 24 divisors (see below), whose sum is σ = 1577686656. Its totient is φ = 605975040.

The previous prime is 1000541417. The next prime is 1000541513. The reversal of 1000541421 is 1241450001.

1000541421 is a `hidden beast` number, since 100 + 0 + 541 + 4 + 21 = 666.

It is not a de Polignac number, because 1000541421 - 2² = 1000541417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1000541394 and 1000541403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000541021) 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 23 ways as a sum of consecutive naturals, for example, 206796 + ... + 211578.

It is an arithmetic number, because the mean of its divisors is an integer number (65736944).

Almost surely, 2^1000541421 is an apocalyptic number.

1000541421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000541421 is a deficient number, since it is larger than the sum of its proper divisors (577145235).

1000541421 is a wasteful number, since it uses less digits than its factorization.

1000541421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913 (or 6910 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1000541421 is about 31631.3360609381. The cubic root of 1000541421 is about 1000.1804411057.

Adding to 1000541421 its reverse (1241450001), we get a palindrome (2241991422).

It can be divided in two parts, 100054 and 1421, that added together give a triangular number (101475 = T₄₅₀).

The spelling of 1000541421 in words is "one billion, five hundred forty-one thousand, four hundred twenty-one".