124202140 has 24 divisors (see below), whose sum is σ = 261036720. Its totient is φ = 49640448.

The previous prime is 124202137. The next prime is 124202147. The reversal of 124202140 is 41202421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124202147) 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, 40791 + ... + 43729.

It is an arithmetic number, because the mean of its divisors is an integer number (10876530).

Almost surely, 2^124202140 is an apocalyptic number.

124202140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124202140 is an abundant number, since it is smaller than the sum of its proper divisors (136834580).

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

124202140 is a wasteful number, since it uses less digits than its factorization.

124202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061 (or 5059 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 124202140 is about 11144.6013836297. The cubic root of 124202140 is about 498.9339152086.

Adding to 124202140 its reverse (41202421), we get a palindrome (165404561).

The spelling of 124202140 in words is "one hundred twenty-four million, two hundred two thousand, one hundred forty".