126386387 has 4 divisors (see below), whose sum is σ = 126413976. Its totient is φ = 126358800.

The previous prime is 126386371. The next prime is 126386443. The reversal of 126386387 is 783683621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783683621 = 7 ⋅111954803.

It is a cyclic number.

It is not a de Polignac number, because 126386387 - 2⁴ = 126386371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126386087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5093 + ... + 16694.

It is an arithmetic number, because the mean of its divisors is an integer number (31603494).

Almost surely, 2^126386387 is an apocalyptic number.

126386387 is a deficient number, since it is larger than the sum of its proper divisors (27589).

126386387 is an equidigital number, since it uses as much as digits as its factorization.

126386387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27588.

The product of its digits is 290304, while the sum is 44.

The square root of 126386387 is about 11242.1700307369. The cubic root of 126386387 is about 501.8417237777.

The spelling of 126386387 in words is "one hundred twenty-six million, three hundred eighty-six thousand, three hundred eighty-seven".