124040120 has 32 divisors (see below), whose sum is σ = 281862720. Its totient is φ = 49123200.

The previous prime is 124040107. The next prime is 124040123. The reversal of 124040120 is 21040421.

It is a super-2 number, since 2×124040120² = 30771902739228800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124040095 and 124040104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124040123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11312 + ... + 19391.

It is an arithmetic number, because the mean of its divisors is an integer number (8808210).

Almost surely, 2^124040120 is an apocalyptic number.

124040120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124040120 is an abundant number, since it is smaller than the sum of its proper divisors (157822600).

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

124040120 is a wasteful number, since it uses less digits than its factorization.

124040120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30815 (or 30811 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 124040120 is about 11137.3300211496. The cubic root of 124040120 is about 498.7168699714.

Adding to 124040120 its reverse (21040421), we get a palindrome (145080541).

It can be divided in two parts, 1240401 and 20, that added together give a palindrome (1240421).

The spelling of 124040120 in words is "one hundred twenty-four million, forty thousand, one hundred twenty".