1124001043421 has 8 divisors (see below), whose sum is σ = 1146357318744. Its totient is φ = 1101687312960.

The previous prime is 1124001043397. The next prime is 1124001043433. The reversal of 1124001043421 is 1243401004211.

It can be written as a sum of positive squares in 4 ways, for example, as 123050817796 + 1000950225625 = 350786^2 + 1000475^2 .

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 1124001043421 - 2³⁴ = 1106821174237 is a prime.

It is a super-2 number, since 2×1124001043421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124001048421) 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, 10582850 + ... + 10688531.

It is an arithmetic number, because the mean of its divisors is an integer number (143294664843).

Almost surely, 2^{1124001043421} is an apocalyptic number.

It is an amenable number.

1124001043421 is a deficient number, since it is larger than the sum of its proper divisors (22356275323).

1124001043421 is an equidigital number, since it uses as much as digits as its factorization.

1124001043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21272431.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1124001043421 its reverse (1243401004211), we get a palindrome (2367402047632).

The spelling of 1124001043421 in words is "one trillion, one hundred twenty-four billion, one million, forty-three thousand, four hundred twenty-one".