124403111272 has 16 divisors (see below), whose sum is σ = 254460909600. Its totient is φ = 56546868720.

The previous prime is 124403111251. The next prime is 124403111279. The reversal of 124403111272 is 272111304421.

It is a super-2 number, since 2×124403111272² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124403111272.

It is not an unprimeable number, because it can be changed into a prime (124403111279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706835772 + ... + 706835947.

It is an arithmetic number, because the mean of its divisors is an integer number (15903806850).

Almost surely, 2^124403111272 is an apocalyptic number.

It is an amenable number.

124403111272 is an abundant number, since it is smaller than the sum of its proper divisors (130057798328).

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

124403111272 is a wasteful number, since it uses less digits than its factorization.

124403111272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413671736 (or 1413671732 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 124403111272 its reverse (272111304421), we get a palindrome (396514415693).

The spelling of 124403111272 in words is "one hundred twenty-four billion, four hundred three million, one hundred eleven thousand, two hundred seventy-two".