126562143 has 4 divisors (see below), whose sum is σ = 168749528. Its totient is φ = 84374760.

The previous prime is 126562133. The next prime is 126562151. The reversal of 126562143 is 341265621.

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

It is not a de Polignac number, because 126562143 - 2¹³ = 126553951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126562143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126562103) 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, 21093688 + ... + 21093693.

It is an arithmetic number, because the mean of its divisors is an integer number (42187382).

Almost surely, 2^126562143 is an apocalyptic number.

126562143 is a deficient number, since it is larger than the sum of its proper divisors (42187385).

126562143 is an equidigital number, since it uses as much as digits as its factorization.

126562143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42187384.

The product of its digits is 8640, while the sum is 30.

The square root of 126562143 is about 11249.9841333221. The cubic root of 126562143 is about 502.0742404870.

The spelling of 126562143 in words is "one hundred twenty-six million, five hundred sixty-two thousand, one hundred forty-three".