124403065644 has 96 divisors (see below), whose sum is σ = 341505319680. Its totient is φ = 34748640000.

The previous prime is 124403065637. The next prime is 124403065651. The reversal of 124403065644 is 446560304421.

It is an interprime number because it is at equal distance from previous prime (124403065637) and next prime (124403065651).

It is a super-2 number, since 2×124403065644² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165519 + ... + 1267769.

It is an arithmetic number, because the mean of its divisors is an integer number (3557347080).

Almost surely, 2^124403065644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124403065644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170752659840).

124403065644 is an abundant number, since it is smaller than the sum of its proper divisors (217102254036).

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

124403065644 is a wasteful number, since it uses less digits than its factorization.

124403065644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102991 (or 102989 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 124403065644 in words is "one hundred twenty-four billion, four hundred three million, sixty-five thousand, six hundred forty-four".