126605343 has 16 divisors (see below), whose sum is σ = 170856576. Its totient is φ = 83385120.

The previous prime is 126605309. The next prime is 126605359. The reversal of 126605343 is 343506621.

It is not a de Polignac number, because 126605343 - 2⁶ = 126605279 is a prime.

It is a super-2 number, since 2×126605343² = 32057825752295298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126605343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126615343) 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, 108280 + ... + 109442.

It is an arithmetic number, because the mean of its divisors is an integer number (10678536).

Almost surely, 2^126605343 is an apocalyptic number.

126605343 is a deficient number, since it is larger than the sum of its proper divisors (44251233).

126605343 is a wasteful number, since it uses less digits than its factorization.

126605343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 126605343 is about 11251.9039722173. The cubic root of 126605343 is about 502.1313590411.

The spelling of 126605343 in words is "one hundred twenty-six million, six hundred five thousand, three hundred forty-three".