126131343 has 16 divisors (see below), whose sum is σ = 186955776. Its totient is φ = 75114720.

The previous prime is 126131339. The next prime is 126131351. The reversal of 126131343 is 343131621.

It is a happy number.

It is not a de Polignac number, because 126131343 - 2² = 126131339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126131303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50955 + ... + 53372.

It is an arithmetic number, because the mean of its divisors is an integer number (11684736).

Almost surely, 2^126131343 is an apocalyptic number.

126131343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

126131343 is a deficient number, since it is larger than the sum of its proper divisors (60824433).

126131343 is a wasteful number, since it uses less digits than its factorization.

126131343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104374.

The product of its digits is 1296, while the sum is 24.

The square root of 126131343 is about 11230.8211186894. The cubic root of 126131343 is about 501.5039291918.

Adding to 126131343 its reverse (343131621), we get a palindrome (469262964).

The spelling of 126131343 in words is "one hundred twenty-six million, one hundred thirty-one thousand, three hundred forty-three".