124103240 has 16 divisors (see below), whose sum is σ = 279232380. Its totient is φ = 49641280.

The previous prime is 124103227. The next prime is 124103249. The reversal of 124103240 is 42301421.

It can be written as a sum of positive squares in 2 ways, for example, as 99640324 + 24462916 = 9982^2 + 4946^2 .

It is a super-2 number, since 2×124103240² = 30803228356995200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124103249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551251 + ... + 1551330.

Almost surely, 2^124103240 is an apocalyptic number.

124103240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124103240 is an abundant number, since it is smaller than the sum of its proper divisors (155129140).

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

124103240 is a wasteful number, since it uses less digits than its factorization.

124103240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102592 (or 3102588 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 124103240 is about 11140.1633740264. The cubic root of 124103240 is about 498.8014492479.

Adding to 124103240 its reverse (42301421), we get a palindrome (166404661).

The spelling of 124103240 in words is "one hundred twenty-four million, one hundred three thousand, two hundred forty".