124120530 has 48 divisors (see below), whose sum is σ = 330594264. Its totient is φ = 32290560.

The previous prime is 124120487. The next prime is 124120537. The reversal of 124120530 is 35021421.

124120530 is a `hidden beast` number, since 12 + 4 + 120 + 530 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 35892081 + 88228449 = 5991^2 + 9393^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (124120537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13129 + ... + 20508.

Almost surely, 2^124120530 is an apocalyptic number.

124120530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124120530 is an abundant number, since it is smaller than the sum of its proper divisors (206473734).

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

124120530 is a wasteful number, since it uses less digits than its factorization.

124120530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33691 (or 33688 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 124120530 is about 11140.9393679348. The cubic root of 124120530 is about 498.8246124266.

Adding to 124120530 its reverse (35021421), we get a palindrome (159141951).

The spelling of 124120530 in words is "one hundred twenty-four million, one hundred twenty thousand, five hundred thirty".