124145420 has 48 divisors (see below), whose sum is σ = 304046400. Its totient is φ = 42561792.

The previous prime is 124145401. The next prime is 124145501. The reversal of 124145420 is 24541421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2189 + ... + 15908.

It is an arithmetic number, because the mean of its divisors is an integer number (6334300).

Almost surely, 2^124145420 is an apocalyptic number.

124145420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124145420 is an abundant number, since it is smaller than the sum of its proper divisors (179900980).

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

124145420 is a wasteful number, since it uses less digits than its factorization.

124145420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18127 (or 18111 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 124145420 is about 11142.0563631674. The cubic root of 124145420 is about 498.8579534454.

Adding to 124145420 its reverse (24541421), we get a palindrome (148686841).

The spelling of 124145420 in words is "one hundred twenty-four million, one hundred forty-five thousand, four hundred twenty".