4129427 has 4 divisors (see below), whose sum is σ = 4133640. Its totient is φ = 4125216.

The previous prime is 4129423. The next prime is 4129429. The reversal of 4129427 is 7249214.

4129427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4129427 - 2² = 4129423 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4129427.

It is not an unprimeable number, because it can be changed into a prime (4129423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224 + ... + 2882.

It is an arithmetic number, because the mean of its divisors is an integer number (1033410).

Almost surely, 2^4129427 is an apocalyptic number.

4129427 is a deficient number, since it is larger than the sum of its proper divisors (4213).

4129427 is a wasteful number, since it uses less digits than its factorization.

4129427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212.

The product of its digits is 4032, while the sum is 29.

The square root of 4129427 is about 2032.0991609663. The cubic root of 4129427 is about 160.4340687330.

The spelling of 4129427 in words is "four million, one hundred twenty-nine thousand, four hundred twenty-seven".