4128132 has 24 divisors (see below), whose sum is σ = 10051776. Its totient is φ = 1316128.

The previous prime is 4128119. The next prime is 4128133. The reversal of 4128132 is 2318214.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4128099 and 4128108.

It is not an unprimeable number, because it can be changed into a prime (4128133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7203 + ... + 7754.

It is an arithmetic number, because the mean of its divisors is an integer number (418824).

Almost surely, 2^4128132 is an apocalyptic number.

It is an amenable number.

4128132 is an abundant number, since it is smaller than the sum of its proper divisors (5923644).

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

4128132 is a wasteful number, since it uses less digits than its factorization.

4128132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14987 (or 14985 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 4128132 is about 2031.7804999556. The cubic root of 4128132 is about 160.4172961202.

The spelling of 4128132 in words is "four million, one hundred twenty-eight thousand, one hundred thirty-two".