1000001025827 has 8 divisors (see below), whose sum is σ = 1007657779392. Its totient is φ = 992344623400.

The previous prime is 1000001025809. The next prime is 1000001025839. The reversal of 1000001025827 is 7285201000001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000001025827 - 2¹⁸ = 1000000763683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000001025796 and 1000001025805.

It is not an unprimeable number, because it can be changed into a prime (1000001025227) 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, 10420052 + ... + 10515582.

It is an arithmetic number, because the mean of its divisors is an integer number (125957222424).

Almost surely, 2^{1000001025827} is an apocalyptic number.

1000001025827 is a deficient number, since it is larger than the sum of its proper divisors (7656753565).

1000001025827 is an equidigital number, since it uses as much as digits as its factorization.

1000001025827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175569.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 1000001025827 its reverse (7285201000001), we get a palindrome (8285202025828).

The spelling of 1000001025827 in words is "one trillion, one million, twenty-five thousand, eight hundred twenty-seven".