4128526 has 4 divisors (see below), whose sum is σ = 6192792. Its totient is φ = 2064262.

The previous prime is 4128521. The next prime is 4128533. The reversal of 4128526 is 6258214.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 4128494 and 4128503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032130 + ... + 1032133.

It is an arithmetic number, because the mean of its divisors is an integer number (1548198).

Almost surely, 2^4128526 is an apocalyptic number.

4128526 is a deficient number, since it is larger than the sum of its proper divisors (2064266).

4128526 is a wasteful number, since it uses less digits than its factorization.

4128526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064265.

The product of its digits is 3840, while the sum is 28.

The square root of 4128526 is about 2031.8774569348. The cubic root of 4128526 is about 160.4223995103.

The spelling of 4128526 in words is "four million, one hundred twenty-eight thousand, five hundred twenty-six".