124543040 has 56 divisors (see below), whose sum is σ = 299968920. Its totient is φ = 49246208.

The previous prime is 124543033. The next prime is 124543061. The reversal of 124543040 is 40345421.

It can be written as a sum of positive squares in 4 ways, for example, as 4596736 + 119946304 = 2144^2 + 10952^2 .

It is a junction number, because it is equal to n+sod(n) for n = 124542997 and 124543015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26294 + ... + 30666.

Almost surely, 2^124543040 is an apocalyptic number.

124543040 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 124543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149984460).

124543040 is an abundant number, since it is smaller than the sum of its proper divisors (175425880).

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

124543040 is an equidigital number, since it uses as much as digits as its factorization.

124543040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479 (or 4469 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 124543040 is about 11159.8853040701. The cubic root of 124543040 is about 499.3899760442.

Adding to 124543040 its reverse (40345421), we get a palindrome (164888461).

The spelling of 124543040 in words is "one hundred twenty-four million, five hundred forty-three thousand, forty".