124453464354421 has 4 divisors (see below), whose sum is σ = 124896359245644. Its totient is φ = 124010569463200.

The previous prime is 124453464354413. The next prime is 124453464354437.

124453464354421 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52900238295025 + 71553226059396 = 7273255^2 + 8458914^2 .

It is a cyclic number.

It is not a de Polignac number, because 124453464354421 - 2³ = 124453464354413 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 (124453464354221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221447445190 + ... + 221447445751.

It is an arithmetic number, because the mean of its divisors is an integer number (31224089811411).

Almost surely, 2^{124453464354421} is an apocalyptic number.

It is an amenable number.

124453464354421 is a deficient number, since it is larger than the sum of its proper divisors (442894891223).

124453464354421 is an equidigital number, since it uses as much as digits as its factorization.

124453464354421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442894891222.

The product of its digits is 22118400, while the sum is 52.

The spelling of 124453464354421 in words is "one hundred twenty-four trillion, four hundred fifty-three billion, four hundred sixty-four million, three hundred fifty-four thousand, four hundred twenty-one".