124041251540 has 24 divisors (see below), whose sum is σ = 264756903432. Its totient is φ = 48803114880.

The previous prime is 124041251513. The next prime is 124041251557. The reversal of 124041251540 is 45152140421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8302489924 + 115738761616 = 91118^2 + 340204^2 .

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, 50835359 + ... + 50837798.

It is an arithmetic number, because the mean of its divisors is an integer number (11031537643).

Almost surely, 2^124041251540 is an apocalyptic number.

124041251540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124041251540 is an abundant number, since it is smaller than the sum of its proper divisors (140715651892).

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

124041251540 is a wasteful number, since it uses less digits than its factorization.

124041251540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101673227 (or 101673225 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 124041251540 its reverse (45152140421), we get a palindrome (169193391961).

The spelling of 124041251540 in words is "one hundred twenty-four billion, forty-one million, two hundred fifty-one thousand, five hundred forty".