1438126 has 4 divisors (see below), whose sum is σ = 2157192. Its totient is φ = 719062.

The previous prime is 1438123. The next prime is 1438159. The reversal of 1438126 is 6218341.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1438126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359530 + ... + 359533.

It is an arithmetic number, because the mean of its divisors is an integer number (539298).

2^1438126 is an apocalyptic number.

1438126 is a deficient number, since it is larger than the sum of its proper divisors (719066).

1438126 is an equidigital number, since it uses as much as digits as its factorization.

1438126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719065.

The product of its digits is 1152, while the sum is 25.

The square root of 1438126 is about 1199.2189124593. The cubic root of 1438126 is about 112.8753160471.

The spelling of 1438126 in words is "one million, four hundred thirty-eight thousand, one hundred twenty-six".