6129431 has 16 divisors (see below), whose sum is σ = 7976448. Its totient is φ = 4567200.

The previous prime is 6129421. The next prime is 6129433. The reversal of 6129431 is 1349216.

It is a de Polignac number, because none of the positive numbers 2^k-6129431 is a prime.

It is a super-2 number, since 2×6129431² = 75139848767522, which contains 22 as substring.

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 6129431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6129433) 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 15 ways as a sum of consecutive naturals, for example, 41 + ... + 3501.

It is an arithmetic number, because the mean of its divisors is an integer number (498528).

Almost surely, 2^6129431 is an apocalyptic number.

6129431 is a deficient number, since it is larger than the sum of its proper divisors (1847017).

6129431 is a wasteful number, since it uses less digits than its factorization.

6129431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502.

The product of its digits is 1296, while the sum is 26.

The square root of 6129431 is about 2475.7687694936. The cubic root of 6129431 is about 183.0093956377.

It can be divided in two parts, 61 and 29431, that added together give a palindrome (29492).

The spelling of 6129431 in words is "six million, one hundred twenty-nine thousand, four hundred thirty-one".