124143140 has 96 divisors (see below), whose sum is σ = 296932608. Its totient is φ = 43200000.

The previous prime is 124143137. The next prime is 124143179. The reversal of 124143140 is 41341421.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 822065 + ... + 822215.

It is an arithmetic number, because the mean of its divisors is an integer number (3093048).

Almost surely, 2^124143140 is an apocalyptic number.

124143140 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 124143140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148466304).

124143140 is an abundant number, since it is smaller than the sum of its proper divisors (172789468).

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

124143140 is a wasteful number, since it uses less digits than its factorization.

124143140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 124143140 is about 11141.9540476525. The cubic root of 124143140 is about 498.8548994917.

Adding to 124143140 its reverse (41341421), we get a palindrome (165484561).

The spelling of 124143140 in words is "one hundred twenty-four million, one hundred forty-three thousand, one hundred forty".