124124424402 has 64 divisors (see below), whose sum is σ = 272363148288. Its totient is φ = 37399320000.

The previous prime is 124124424373. The next prime is 124124424409. The reversal of 124124424402 is 204424421421.

It is a self number, because there is not a number n which added to its sum of digits gives 124124424402.

It is not an unprimeable number, because it can be changed into a prime (124124424409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8523027 + ... + 8537577.

It is an arithmetic number, because the mean of its divisors is an integer number (4255674192).

Almost surely, 2^124124424402 is an apocalyptic number.

124124424402 is an abundant number, since it is smaller than the sum of its proper divisors (148238723886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124124424402 is a wasteful number, since it uses less digits than its factorization.

124124424402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15295.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 124124424402 its reverse (204424421421), we get a palindrome (328548845823).

The spelling of 124124424402 in words is "one hundred twenty-four billion, one hundred twenty-four million, four hundred twenty-four thousand, four hundred two".