124013530 has 16 divisors (see below), whose sum is σ = 225527400. Its totient is φ = 49093632.

The previous prime is 124013509. The next prime is 124013563. The reversal of 124013530 is 35310421.

It can be written as a sum of positive squares in 4 ways, for example, as 121154049 + 2859481 = 11007^2 + 1691^2 .

It is a junction number, because it is equal to n+sod(n) for n = 124013498 and 124013507.

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, 62955 + ... + 64894.

Almost surely, 2^124013530 is an apocalyptic number.

124013530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124013530 is a deficient number, since it is larger than the sum of its proper divisors (101513870).

124013530 is a wasteful number, since it uses less digits than its factorization.

124013530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127953.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 124013530 is about 11136.1362240231. The cubic root of 124013530 is about 498.6812314236.

Adding to 124013530 its reverse (35310421), we get a palindrome (159323951).

It can be divided in two parts, 12401 and 3530, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 124013530 in words is "one hundred twenty-four million, thirteen thousand, five hundred thirty".