1024014252421 has 4 divisors (see below), whose sum is σ = 1033408878700. Its totient is φ = 1014619626144.

The previous prime is 1024014252397. The next prime is 1024014252461. The reversal of 1024014252421 is 1242524104201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 672869121796 + 351145130625 = 820286^2 + 592575^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024014252421 - 2²¹ = 1024012155269 is a prime.

It is a super-2 number, since 2×1024014252421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1024014252421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024014252461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4697312976 + ... + 4697313193.

It is an arithmetic number, because the mean of its divisors is an integer number (258352219675).

Almost surely, 2^{1024014252421} is an apocalyptic number.

It is an amenable number.

1024014252421 is a deficient number, since it is larger than the sum of its proper divisors (9394626279).

1024014252421 is an equidigital number, since it uses as much as digits as its factorization.

1024014252421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9394626278.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 1024014252421 its reverse (1242524104201), we get a palindrome (2266538356622).

The spelling of 1024014252421 in words is "one trillion, twenty-four billion, fourteen million, two hundred fifty-two thousand, four hundred twenty-one".