4123020 has 48 divisors (see below), whose sum is σ = 12595968. Its totient is φ = 999360.

The previous prime is 4122997. The next prime is 4123037. The reversal of 4123020 is 203214.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 4122987 and 4123005.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2464 + ... + 3783.

It is an arithmetic number, because the mean of its divisors is an integer number (262416).

Almost surely, 2^4123020 is an apocalyptic number.

It is an amenable number.

4123020 is an abundant number, since it is smaller than the sum of its proper divisors (8472948).

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

4123020 is a wasteful number, since it uses less digits than its factorization.

4123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270 (or 6268 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 4123020 is about 2030.5221003476. The cubic root of 4123020 is about 160.3510521184.

Adding to 4123020 its reverse (203214), we get a palindrome (4326234).

The spelling of 4123020 in words is "four million, one hundred twenty-three thousand, twenty".