1106243428 has 6 divisors (see below), whose sum is σ = 1935926006. Its totient is φ = 553121712.

The previous prime is 1106243423. The next prime is 1106243429. The reversal of 1106243428 is 8243426011.

It can be written as a sum of positive squares in only one way, i.e., 678498304 + 427745124 = 26048^2 + 20682^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1106243428.

It is not an unprimeable number, because it can be changed into a prime (1106243423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138280425 + ... + 138280432.

Almost surely, 2^1106243428 is an apocalyptic number.

It is an amenable number.

1106243428 is a deficient number, since it is larger than the sum of its proper divisors (829682578).

1106243428 is a wasteful number, since it uses less digits than its factorization.

1106243428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276560861 (or 276560859 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1106243428 is about 33260.2379426245. The cubic root of 1106243428 is about 1034.2294522261.

Adding to 1106243428 its reverse (8243426011), we get a palindrome (9349669439).

The spelling of 1106243428 in words is "one billion, one hundred six million, two hundred forty-three thousand, four hundred twenty-eight".