124342240 has 192 divisors, whose sum is σ = 344881152. Its totient is φ = 41932800.

The previous prime is 124342223. The next prime is 124342241. The reversal of 124342240 is 42243421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124342241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2346054 + ... + 2346106.

It is an arithmetic number, because the mean of its divisors is an integer number (1796256).

Almost surely, 2^124342240 is an apocalyptic number.

124342240 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 124342240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172440576).

124342240 is an abundant number, since it is smaller than the sum of its proper divisors (220538912).

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

124342240 is a wasteful number, since it uses less digits than its factorization.

124342240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 124342240 is about 11150.8851666583. The cubic root of 124342240 is about 499.1214438490.

Adding to 124342240 its reverse (42243421), we get a palindrome (166585661).

The spelling of 124342240 in words is "one hundred twenty-four million, three hundred forty-two thousand, two hundred forty".