4124505 has 32 divisors (see below), whose sum is σ = 8229888. Its totient is φ = 1713600.

The previous prime is 4124503. The next prime is 4124507. The reversal of 4124505 is 5054214.

4124505 = 81² + 82² + ... + 234².

It is an interprime number because it is at equal distance from previous prime (4124503) and next prime (4124507).

It is not a de Polignac number, because 4124505 - 2¹ = 4124503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

4124505 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4124503) 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, 631 + ... + 2940.

It is an arithmetic number, because the mean of its divisors is an integer number (257184).

Almost surely, 2^4124505 is an apocalyptic number.

It is an amenable number.

4124505 is a deficient number, since it is larger than the sum of its proper divisors (4105383).

4124505 is a wasteful number, since it uses less digits than its factorization.

4124505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4124505 is about 2030.8877369269. The cubic root of 4124505 is about 160.3703011745.

Adding to 4124505 its reverse (5054214), we get a palindrome (9178719).

The spelling of 4124505 in words is "four million, one hundred twenty-four thousand, five hundred five".