124440443421 has 16 divisors (see below), whose sum is σ = 190073958528. Its totient is φ = 70939915200.

The previous prime is 124440443401. The next prime is 124440443431. The reversal of 124440443421 is 124344044421.

It is not a de Polignac number, because 124440443421 - 2⁹ = 124440442909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124440443401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7028850 + ... + 7046531.

It is an arithmetic number, because the mean of its divisors is an integer number (11879622408).

Almost surely, 2^124440443421 is an apocalyptic number.

It is an amenable number.

124440443421 is a deficient number, since it is larger than the sum of its proper divisors (65633515107).

124440443421 is a wasteful number, since it uses less digits than its factorization.

124440443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14075812.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 124440443421 its reverse (124344044421), we get a palindrome (248784487842).

The spelling of 124440443421 in words is "one hundred twenty-four billion, four hundred forty million, four hundred forty-three thousand, four hundred twenty-one".