1002121030425 has 24 divisors (see below), whose sum is σ = 1669886104576. Its totient is φ = 530256162240.

The previous prime is 1002121030403. The next prime is 1002121030441. The reversal of 1002121030425 is 5240301212001.

It is not a de Polignac number, because 1002121030425 - 2⁷ = 1002121030297 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 52595254 + ... + 52614303.

Almost surely, 2^{1002121030425} is an apocalyptic number.

1002121030425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002121030425 is a deficient number, since it is larger than the sum of its proper divisors (667765074151).

1002121030425 is a wasteful number, since it uses less digits than its factorization.

1002121030425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105209697 (or 105209692 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1002121030425 its reverse (5240301212001), we get a palindrome (6242422242426).

The spelling of 1002121030425 in words is "one trillion, two billion, one hundred twenty-one million, thirty thousand, four hundred twenty-five".