1100320442 has 16 divisors (see below), whose sum is σ = 1777992552. Its totient is φ = 507682560.

The previous prime is 1100320423. The next prime is 1100320493. The reversal of 1100320442 is 2440230011.

It can be written as a sum of positive squares in 4 ways, for example, as 735548641 + 364771801 = 27121^2 + 19099^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1100320442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143342 + ... + 150822.

Almost surely, 2^1100320442 is an apocalyptic number.

1100320442 is a deficient number, since it is larger than the sum of its proper divisors (677672110).

1100320442 is a wasteful number, since it uses less digits than its factorization.

1100320442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13153.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1100320442 is about 33171.0783966997. The cubic root of 1100320442 is about 1032.3803438774.

Adding to 1100320442 its reverse (2440230011), we get a palindrome (3540550453).

The spelling of 1100320442 in words is "one billion, one hundred million, three hundred twenty thousand, four hundred forty-two".