1100545042 has 16 divisors (see below), whose sum is σ = 1718811864. Its totient is φ = 528048000.

The previous prime is 1100545027. The next prime is 1100545051. The reversal of 1100545042 is 2405450011.

It can be written as a sum of positive squares in 4 ways, for example, as 501715201 + 598829841 = 22399^2 + 24471^2 .

It is a super-2 number, since 2×1100545042² = 2422398778941563528, which contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 105009 + ... + 115012.

Almost surely, 2^1100545042 is an apocalyptic number.

1100545042 is a deficient number, since it is larger than the sum of its proper divisors (618266822).

1100545042 is a wasteful number, since it uses less digits than its factorization.

1100545042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220125.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1100545042 is about 33174.4637032764. The cubic root of 1100545042 is about 1032.4505830676.

Adding to 1100545042 its reverse (2405450011), we get a palindrome (3505995053).

The spelling of 1100545042 in words is "one billion, one hundred million, five hundred forty-five thousand, forty-two".