124230140 has 12 divisors (see below), whose sum is σ = 260883336. Its totient is φ = 49692048.

The previous prime is 124230137. The next prime is 124230157. The reversal of 124230140 is 41032421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3105734 + ... + 3105773.

It is an arithmetic number, because the mean of its divisors is an integer number (21740278).

Almost surely, 2^124230140 is an apocalyptic number.

124230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124230140 is an abundant number, since it is smaller than the sum of its proper divisors (136653196).

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

124230140 is a wasteful number, since it uses less digits than its factorization.

124230140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211516 (or 6211514 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 124230140 is about 11145.8575264535. The cubic root of 124230140 is about 498.9714054375.

Adding to 124230140 its reverse (41032421), we get a palindrome (165262561).

The spelling of 124230140 in words is "one hundred twenty-four million, two hundred thirty thousand, one hundred forty".