4099131 has 12 divisors (see below), whose sum is σ = 5938608. Its totient is φ = 2724624.

The previous prime is 4099093. The next prime is 4099133. The reversal of 4099131 is 1319904.

It is not a de Polignac number, because 4099131 - 2¹⁴ = 4082747 is a prime.

It is a super-2 number, since 2×4099131² = 33605749910322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4099095 and 4099104.

It is not an unprimeable number, because it can be changed into a prime (4099133) 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, 5146 + ... + 5888.

It is an arithmetic number, because the mean of its divisors is an integer number (494884).

Almost surely, 2^4099131 is an apocalyptic number.

4099131 is a deficient number, since it is larger than the sum of its proper divisors (1839477).

4099131 is a wasteful number, since it uses less digits than its factorization.

4099131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 4099131 is about 2024.6310775052. The cubic root of 4099131 is about 160.0407578458.

It can be divided in two parts, 40991 and 31, that multiplied together give a palindrome (1270721).

The spelling of 4099131 in words is "four million, ninety-nine thousand, one hundred thirty-one".