6131240 has 16 divisors (see below), whose sum is σ = 13795380. Its totient is φ = 2452480.

The previous prime is 6131239. The next prime is 6131297. The reversal of 6131240 is 421316.

It can be written as a sum of positive squares in 2 ways, for example, as 5692996 + 438244 = 2386^2 + 662^2 .

It is a congruent number.

It is an unprimeable number.

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, 76601 + ... + 76680.

Almost surely, 2^6131240 is an apocalyptic number.

It is an amenable number.

6131240 is an abundant number, since it is smaller than the sum of its proper divisors (7664140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6131240 is a wasteful number, since it uses less digits than its factorization.

6131240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153292 (or 153288 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 6131240 is about 2476.1340836069. The cubic root of 6131240 is about 183.0273979304.

Adding to 6131240 its reverse (421316), we get a palindrome (6552556).

The spelling of 6131240 in words is "six million, one hundred thirty-one thousand, two hundred forty".