1000421113 has 8 divisors (see below), whose sum is σ = 1012640328. Its totient is φ = 988276224.

The previous prime is 1000421099. The next prime is 1000421129. The reversal of 1000421113 is 3111240001.

It can be written as a sum of positive squares in 4 ways, for example, as 35200489 + 965220624 = 5933^2 + 31068^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000421113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000421093 and 1000421102.

It is not an unprimeable number, because it can be changed into a prime (1000421173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8745 + ... + 45577.

It is an arithmetic number, because the mean of its divisors is an integer number (126580041).

Almost surely, 2^1000421113 is an apocalyptic number.

It is an amenable number.

1000421113 is a deficient number, since it is larger than the sum of its proper divisors (12219215).

1000421113 is a wasteful number, since it uses less digits than its factorization.

1000421113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37163.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1000421113 is about 31629.4342820102. The cubic root of 1000421113 is about 1000.1403513006.

Adding to 1000421113 its reverse (3111240001), we get a palindrome (4111661114).

The spelling of 1000421113 in words is "one billion, four hundred twenty-one thousand, one hundred thirteen".