1021130242415 has 16 divisors (see below), whose sum is σ = 1241286778368. Its totient is φ = 806302395936.

The previous prime is 1021130242393. The next prime is 1021130242427. The reversal of 1021130242415 is 5142420311201.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021130242415 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716219 + ... + 1598508.

It is an arithmetic number, because the mean of its divisors is an integer number (77580423648).

Almost surely, 2^{1021130242415} is an apocalyptic number.

1021130242415 is a deficient number, since it is larger than the sum of its proper divisors (220156535953).

1021130242415 is a wasteful number, since it uses less digits than its factorization.

1021130242415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315878.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1021130242415 its reverse (5142420311201), we get a palindrome (6163550553616).

The spelling of 1021130242415 in words is "one trillion, twenty-one billion, one hundred thirty million, two hundred forty-two thousand, four hundred fifteen".