4128554 has 4 divisors (see below), whose sum is σ = 6192834. Its totient is φ = 2064276.

The previous prime is 4128547. The next prime is 4128557. The reversal of 4128554 is 4558214.

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

It can be written as a sum of positive squares in only one way, i.e., 2319529 + 1809025 = 1523^2 + 1345^2 .

It is not an unprimeable number, because it can be changed into a prime (4128557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032137 + ... + 1032140.

Almost surely, 2^4128554 is an apocalyptic number.

4128554 is a deficient number, since it is larger than the sum of its proper divisors (2064280).

4128554 is a wasteful number, since it uses less digits than its factorization.

4128554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064279.

The product of its digits is 6400, while the sum is 29.

The square root of 4128554 is about 2031.8843471025. The cubic root of 4128554 is about 160.4227621754.

The spelling of 4128554 in words is "four million, one hundred twenty-eight thousand, five hundred fifty-four".