124201321140 has 72 divisors (see below), whose sum is σ = 376572557088. Its totient is φ = 30572630400.

The previous prime is 124201321129. The next prime is 124201321157. The reversal of 124201321140 is 41123102421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6114186 + ... + 6134465.

It is an arithmetic number, because the mean of its divisors is an integer number (5230174404).

Almost surely, 2^124201321140 is an apocalyptic number.

124201321140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124201321140 is an abundant number, since it is smaller than the sum of its proper divisors (252371235948).

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

124201321140 is a wasteful number, since it uses less digits than its factorization.

124201321140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12248689 (or 12248674 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 124201321140 its reverse (41123102421), we get a palindrome (165324423561).

The spelling of 124201321140 in words is "one hundred twenty-four billion, two hundred one million, three hundred twenty-one thousand, one hundred forty".