124621432439 has 8 divisors (see below), whose sum is σ = 142428486048. Its totient is φ = 106815376800.

The previous prime is 124621432409. The next prime is 124621432477. The reversal of 124621432439 is 934234126421.

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

It is a cyclic number.

It is not a de Polignac number, because 124621432439 - 2⁸ = 124621432183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124621432396 and 124621432405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124621432409) 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, 40589 + ... + 500889.

It is an arithmetic number, because the mean of its divisors is an integer number (17803560756).

Almost surely, 2^124621432439 is an apocalyptic number.

124621432439 is a deficient number, since it is larger than the sum of its proper divisors (17807053609).

124621432439 is an equidigital number, since it uses as much as digits as its factorization.

124621432439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498985.

The product of its digits is 248832, while the sum is 41.

The spelling of 124621432439 in words is "one hundred twenty-four billion, six hundred twenty-one million, four hundred thirty-two thousand, four hundred thirty-nine".