124564465421 has 8 divisors (see below), whose sum is σ = 135891249600. Its totient is φ = 113238138240.

The previous prime is 124564465379. The next prime is 124564465423.

124564465421 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-124564465421 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 (124564465423) 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, 721565 + ... + 877373.

It is an arithmetic number, because the mean of its divisors is an integer number (16986406200).

Almost surely, 2^124564465421 is an apocalyptic number.

124564465421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124564465421 is a deficient number, since it is larger than the sum of its proper divisors (11326784179).

124564465421 is a wasteful number, since it uses less digits than its factorization.

124564465421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228499.

The product of its digits is 921600, while the sum is 44.

It can be divided in two parts, 124564 and 465421, that added together give a palindrome (589985).

The spelling of 124564465421 in words is "one hundred twenty-four billion, five hundred sixty-four million, four hundred sixty-five thousand, four hundred twenty-one".