124130040 has 64 divisors (see below), whose sum is σ = 391996800. Its totient is φ = 31358592.

The previous prime is 124130033. The next prime is 124130047. The reversal of 124130040 is 40031421.

It is an interprime number because it is at equal distance from previous prime (124130033) and next prime (124130047).

It is a super-3 number, since 3×124130040³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124130047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24942 + ... + 29501.

It is an arithmetic number, because the mean of its divisors is an integer number (6124950).

Almost surely, 2^124130040 is an apocalyptic number.

124130040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124130040 is an abundant number, since it is smaller than the sum of its proper divisors (267866760).

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

124130040 is a wasteful number, since it uses less digits than its factorization.

124130040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54476 (or 54472 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 124130040 is about 11141.3661639855. The cubic root of 124130040 is about 498.8373519277.

Adding to 124130040 its reverse (40031421), we get a palindrome (164161461).

The spelling of 124130040 in words is "one hundred twenty-four million, one hundred thirty thousand, forty".