124868421 has 12 divisors (see below), whose sum is σ = 182152620. Its totient is φ = 82420800.

The previous prime is 124868413. The next prime is 124868423.

124868421 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 81703521 + 43164900 = 9039^2 + 6570^2 .

It is not a de Polignac number, because 124868421 - 2³ = 124868413 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124868423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67776 + ... + 69593.

It is an arithmetic number, because the mean of its divisors is an integer number (15179385).

Almost surely, 2^124868421 is an apocalyptic number.

It is an amenable number.

124868421 is a deficient number, since it is larger than the sum of its proper divisors (57284199).

124868421 is a wasteful number, since it uses less digits than its factorization.

124868421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137476 (or 137473 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 124868421 is about 11174.4539463904. The cubic root of 124868421 is about 499.8244997399.

The spelling of 124868421 in words is "one hundred twenty-four million, eight hundred sixty-eight thousand, four hundred twenty-one".