724121121426 has 16 divisors (see below), whose sum is σ = 1449801180000. Its totient is φ = 241113884288.

The previous prime is 724121121407. The next prime is 724121121467. The reversal of 724121121426 is 624121121427.

724121121426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64949676 + ... + 64960823.

It is an arithmetic number, because the mean of its divisors is an integer number (90612573750).

Almost surely, 2^724121121426 is an apocalyptic number.

724121121426 is an abundant number, since it is smaller than the sum of its proper divisors (725680058574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

724121121426 is a wasteful number, since it uses less digits than its factorization.

724121121426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129911433.

The product of its digits is 10752, while the sum is 33.

Subtracting from 724121121426 its reverse (624121121427), we obtain a palindrome (99999999999).

The spelling of 724121121426 in words is "seven hundred twenty-four billion, one hundred twenty-one million, one hundred twenty-one thousand, four hundred twenty-six".