124126540 has 12 divisors (see below), whose sum is σ = 260665776. Its totient is φ = 49650608.

The previous prime is 124126529. The next prime is 124126543. The reversal of 124126540 is 45621421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (124126543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3103144 + ... + 3103183.

It is an arithmetic number, because the mean of its divisors is an integer number (21722148).

Almost surely, 2^124126540 is an apocalyptic number.

124126540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124126540 is an abundant number, since it is smaller than the sum of its proper divisors (136539236).

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

124126540 is a wasteful number, since it uses less digits than its factorization.

124126540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206336 (or 6206334 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 124126540 is about 11141.2090905790. The cubic root of 124126540 is about 498.8326634383.

Adding to 124126540 its reverse (45621421), we get a palindrome (169747961).

The spelling of 124126540 in words is "one hundred twenty-four million, one hundred twenty-six thousand, five hundred forty".