1001108425 has 6 divisors (see below), whose sum is σ = 1241374478. Its totient is φ = 800886720.

The previous prime is 1001108377. The next prime is 1001108447. The reversal of 1001108425 is 5248011001.

It can be written as a sum of positive squares in 3 ways, for example, as 101828281 + 899280144 = 10091^2 + 29988^2 .

It is not a de Polignac number, because 1001108425 - 2¹¹ = 1001106377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001108396 and 1001108405.

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 5 ways as a sum of consecutive naturals, for example, 20022144 + ... + 20022193.

Almost surely, 2^1001108425 is an apocalyptic number.

It is an amenable number.

1001108425 is a deficient number, since it is larger than the sum of its proper divisors (240266053).

1001108425 is an equidigital number, since it uses as much as digits as its factorization.

1001108425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40044347 (or 40044342 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 1001108425 is about 31640.2974859593. The cubic root of 1001108425 is about 1000.3693385722.

Adding to 1001108425 its reverse (5248011001), we get a palindrome (6249119426).

The spelling of 1001108425 in words is "one billion, one million, one hundred eight thousand, four hundred twenty-five".