1100426 has 4 divisors (see below), whose sum is σ = 1650642. Its totient is φ = 550212.

The previous prime is 1100419. The next prime is 1100441. The reversal of 1100426 is 6240011.

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

It can be written as a sum of positive squares in only one way, i.e., 1100401 + 25 = 1049^2 + 5^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1100426.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275105 + ... + 275108.

2^1100426 is an apocalyptic number.

1100426 is a deficient number, since it is larger than the sum of its proper divisors (550216).

1100426 is an equidigital number, since it uses as much as digits as its factorization.

1100426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550215.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1100426 is about 1049.0119160429. The cubic root of 1100426 is about 103.2413356236.

Adding to 1100426 its reverse (6240011), we get a palindrome (7340437).

The spelling of 1100426 in words is "one million, one hundred thousand, four hundred twenty-six".