4124805 has 32 divisors (see below), whose sum is σ = 7136640. Its totient is φ = 2027520.

The previous prime is 4124803. The next prime is 4124819. The reversal of 4124805 is 5084214.

4124805 = 168² + 169² + ... + 257².

It is not a de Polignac number, because 4124805 - 2¹ = 4124803 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4124801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11509 + ... + 11861.

It is an arithmetic number, because the mean of its divisors is an integer number (223020).

Almost surely, 2^4124805 is an apocalyptic number.

It is an amenable number.

4124805 is a deficient number, since it is larger than the sum of its proper divisors (3011835).

4124805 is a wasteful number, since it uses less digits than its factorization.

4124805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 4124805 is about 2030.9615949102. The cubic root of 4124805 is about 160.3741893117.

The spelling of 4124805 in words is "four million, one hundred twenty-four thousand, eight hundred five".