126384943 has 4 divisors (see below), whose sum is σ = 126743328. Its totient is φ = 126026560.

The previous prime is 126384917. The next prime is 126384949. The reversal of 126384943 is 349483621.

It is a happy number.

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 126384943 - 2²⁵ = 92830511 is a prime.

It is a super-2 number, since 2×126384943² = 31946307634226498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126384896 and 126384905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126384949) 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, 178663 + ... + 179368.

It is an arithmetic number, because the mean of its divisors is an integer number (31685832).

Almost surely, 2^126384943 is an apocalyptic number.

126384943 is a deficient number, since it is larger than the sum of its proper divisors (358385).

126384943 is an equidigital number, since it uses as much as digits as its factorization.

126384943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358384.

The product of its digits is 124416, while the sum is 40.

The square root of 126384943 is about 11242.1058080771. The cubic root of 126384943 is about 501.8398125428.

The spelling of 126384943 in words is "one hundred twenty-six million, three hundred eighty-four thousand, nine hundred forty-three".