124405340 has 24 divisors (see below), whose sum is σ = 261509472. Its totient is φ = 49712960.

The previous prime is 124405279. The next prime is 124405397. The reversal of 124405340 is 43504421.

It is a congruent number.

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, 23105 + ... + 27975.

It is an arithmetic number, because the mean of its divisors is an integer number (10896228).

Almost surely, 2^124405340 is an apocalyptic number.

124405340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124405340 is an abundant number, since it is smaller than the sum of its proper divisors (137104132).

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

124405340 is a wasteful number, since it uses less digits than its factorization.

124405340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157 (or 6155 counting only the distinct ones).

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

The square root of 124405340 is about 11153.7141795906. The cubic root of 124405340 is about 499.2058593490.

Adding to 124405340 its reverse (43504421), we get a palindrome (167909761).

The spelling of 124405340 in words is "one hundred twenty-four million, four hundred five thousand, three hundred forty".