126343163 has 4 divisors (see below), whose sum is σ = 131836368. Its totient is φ = 120849960.

The previous prime is 126343127. The next prime is 126343171. The reversal of 126343163 is 361343621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126343163 - 2¹² = 126339067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126343963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2746568 + ... + 2746613.

It is an arithmetic number, because the mean of its divisors is an integer number (32959092).

Almost surely, 2^126343163 is an apocalyptic number.

126343163 is a deficient number, since it is larger than the sum of its proper divisors (5493205).

126343163 is an equidigital number, since it uses as much as digits as its factorization.

126343163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493204.

The product of its digits is 7776, while the sum is 29.

The square root of 126343163 is about 11240.2474616887. The cubic root of 126343163 is about 501.7845074891.

Adding to 126343163 its reverse (361343621), we get a palindrome (487686784).

The spelling of 126343163 in words is "one hundred twenty-six million, three hundred forty-three thousand, one hundred sixty-three".