126426343 has 4 divisors (see below), whose sum is σ = 128498968. Its totient is φ = 124353720.

The previous prime is 126426337. The next prime is 126426367. The reversal of 126426343 is 343624621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126426343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126429343) 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, 1036221 + ... + 1036342.

It is an arithmetic number, because the mean of its divisors is an integer number (32124742).

Almost surely, 2^126426343 is an apocalyptic number.

126426343 is a deficient number, since it is larger than the sum of its proper divisors (2072625).

126426343 is an equidigital number, since it uses as much as digits as its factorization.

126426343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072624.

The product of its digits is 20736, while the sum is 31.

The square root of 126426343 is about 11243.9469493590. The cubic root of 126426343 is about 501.8946025613.

The spelling of 126426343 in words is "one hundred twenty-six million, four hundred twenty-six thousand, three hundred forty-three".