1100115442 has 4 divisors (see below), whose sum is σ = 1650173166. Its totient is φ = 550057720.

The previous prime is 1100115439. The next prime is 1100115463. The reversal of 1100115442 is 2445110011.

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., 979752601 + 120362841 = 31301^2 + 10971^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275028859 + ... + 275028862.

Almost surely, 2^1100115442 is an apocalyptic number.

1100115442 is a deficient number, since it is larger than the sum of its proper divisors (550057724).

1100115442 is an equidigital number, since it uses as much as digits as its factorization.

1100115442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550057723.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1100115442 is about 33167.9882115271. The cubic root of 1100115442 is about 1032.3162258541.

Adding to 1100115442 its reverse (2445110011), we get a palindrome (3545225453).

The spelling of 1100115442 in words is "one billion, one hundred million, one hundred fifteen thousand, four hundred forty-two".