4239122 has 4 divisors (see below), whose sum is σ = 6358686. Its totient is φ = 2119560.

The previous prime is 4239121. The next prime is 4239149. The reversal of 4239122 is 2219324.

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., 4165681 + 73441 = 2041^2 + 271^2 .

It is not an unprimeable number, because it can be changed into a prime (4239121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059779 + ... + 1059782.

Almost surely, 2^4239122 is an apocalyptic number.

4239122 is a deficient number, since it is larger than the sum of its proper divisors (2119564).

4239122 is a wasteful number, since it uses less digits than its factorization.

4239122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119563.

The product of its digits is 864, while the sum is 23.

The square root of 4239122 is about 2058.9128199125. The cubic root of 4239122 is about 161.8422739605.

The spelling of 4239122 in words is "four million, two hundred thirty-nine thousand, one hundred twenty-two".