124311202140 has 384 divisors, whose sum is σ = 379289578752. Its totient is φ = 30364139520.

The previous prime is 124311202121. The next prime is 124311202163. The reversal of 124311202140 is 41202113421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 352156204 + ... + 352156556.

It is an arithmetic number, because the mean of its divisors is an integer number (987733278).

Almost surely, 2^124311202140 is an apocalyptic number.

124311202140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124311202140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189644789376).

124311202140 is an abundant number, since it is smaller than the sum of its proper divisors (254978376612).

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

124311202140 is a wasteful number, since it uses less digits than its factorization.

124311202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 567 counting only the distinct ones).

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

Adding to 124311202140 its reverse (41202113421), we get a palindrome (165513315561).

The spelling of 124311202140 in words is "one hundred twenty-four billion, three hundred eleven million, two hundred two thousand, one hundred forty".