124553355421 has 8 divisors (see below), whose sum is σ = 143027776800. Its totient is φ = 107270832240.

The previous prime is 124553355401. The next prime is 124553355461.

124553355421 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 124553355421 - 2⁷ = 124553355293 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 (124553355401) 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, 297974326 + ... + 297974743.

It is an arithmetic number, because the mean of its divisors is an integer number (17878472100).

Almost surely, 2^124553355421 is an apocalyptic number.

124553355421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124553355421 is a deficient number, since it is larger than the sum of its proper divisors (18474421379).

124553355421 is a wasteful number, since it uses less digits than its factorization.

124553355421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595949099.

The product of its digits is 360000, while the sum is 40.

It can be divided in two parts, 124553 and 355421, that added together give a palindrome (479974).

The spelling of 124553355421 in words is "one hundred twenty-four billion, five hundred fifty-three million, three hundred fifty-five thousand, four hundred twenty-one".