124354453421 has 8 divisors (see below), whose sum is σ = 135667730784. Its totient is φ = 113042563920.

The previous prime is 124354453393. The next prime is 124354453439.

124354453421 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 124354453421 - 2¹⁴ = 124354437037 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 (124354453471) 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, 154991 + ... + 522236.

It is an arithmetic number, because the mean of its divisors is an integer number (16958466348).

Almost surely, 2^124354453421 is an apocalyptic number.

124354453421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124354453421 is a deficient number, since it is larger than the sum of its proper divisors (11313277363).

124354453421 is a wasteful number, since it uses less digits than its factorization.

124354453421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693931.

The product of its digits is 230400, while the sum is 38.

It can be divided in two parts, 124354 and 453421, that added together give a palindrome (577775).

The spelling of 124354453421 in words is "one hundred twenty-four billion, three hundred fifty-four million, four hundred fifty-three thousand, four hundred twenty-one".