124133420 has 48 divisors (see below), whose sum is σ = 267478848. Its totient is φ = 48372480.

The previous prime is 124133419. The next prime is 124133423. The reversal of 124133420 is 24331421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 124133392 and 124133401.

It is not an unprimeable number, because it can be changed into a prime (124133423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191537 + ... + 192183.

It is an arithmetic number, because the mean of its divisors is an integer number (5572476).

Almost surely, 2^124133420 is an apocalyptic number.

124133420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124133420 is an abundant number, since it is smaller than the sum of its proper divisors (143345428).

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

124133420 is a wasteful number, since it uses less digits than its factorization.

124133420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 124133420 is about 11141.5178499161. The cubic root of 124133420 is about 498.8418795853.

Adding to 124133420 its reverse (24331421), we get a palindrome (148464841).

The spelling of 124133420 in words is "one hundred twenty-four million, one hundred thirty-three thousand, four hundred twenty".