1124431440421 has 8 divisors (see below), whose sum is σ = 1129368623040. Its totient is φ = 1119502823712.

The previous prime is 1124431440409. The next prime is 1124431440427. The reversal of 1124431440421 is 1240441344211.

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 1124431440421 - 2⁵ = 1124431440389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124431440427) 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, 1878295 + ... + 2403508.

It is an arithmetic number, because the mean of its divisors is an integer number (141171077880).

Almost surely, 2^{1124431440421} is an apocalyptic number.

It is an amenable number.

1124431440421 is a deficient number, since it is larger than the sum of its proper divisors (4937182619).

1124431440421 is an equidigital number, since it uses as much as digits as its factorization.

1124431440421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282955.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 1124431440421 its reverse (1240441344211), we get a palindrome (2364872784632).

The spelling of 1124431440421 in words is "one trillion, one hundred twenty-four billion, four hundred thirty-one million, four hundred forty thousand, four hundred twenty-one".