4131239 has 12 divisors (see below), whose sum is σ = 4890600. Its totient is φ = 3478608.

The previous prime is 4131229. The next prime is 4131241. The reversal of 4131239 is 9321314.

It is not a de Polignac number, because 4131239 - 2⁴ = 4131223 is a prime.

It is a Duffinian number.

4131239 is a modest number, since divided by 1239 gives 413 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2177 + ... + 3605.

It is an arithmetic number, because the mean of its divisors is an integer number (407550).

Almost surely, 2^4131239 is an apocalyptic number.

4131239 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4131239 is a deficient number, since it is larger than the sum of its proper divisors (759361).

4131239 is a wasteful number, since it uses less digits than its factorization.

4131239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1495 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 4131239 is about 2032.5449564524. The cubic root of 4131239 is about 160.4575315542.

The spelling of 4131239 in words is "four million, one hundred thirty-one thousand, two hundred thirty-nine".