724121121427 has 8 divisors (see below), whose sum is σ = 790011389952. Its totient is φ = 658241032200.

The previous prime is 724121121407. The next prime is 724121121467.

724121121427 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724121121427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 724121121392 and 724121121401.

It is not an unprimeable number, because it can be changed into a prime (724121121407) 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, 2395699 + ... + 2680972.

It is an arithmetic number, because the mean of its divisors is an integer number (98751423744).

Almost surely, 2^724121121427 is an apocalyptic number.

724121121427 is a deficient number, since it is larger than the sum of its proper divisors (65890268525).

724121121427 is a wasteful number, since it uses less digits than its factorization.

724121121427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089649.

The product of its digits is 12544, while the sum is 34.

It can be divided in two parts, 724121 and 121427, that added together give a palindrome (845548).

The spelling of 724121121427 in words is "seven hundred twenty-four billion, one hundred twenty-one million, one hundred twenty-one thousand, four hundred twenty-seven".