1103120242 has 40 divisors (see below), whose sum is σ = 2044046556. Its totient is φ = 444923136.

The previous prime is 1103120231. The next prime is 1103120261. The reversal of 1103120242 is 2420213011.

It can be written as a sum of positive squares in 2 ways, for example, as 1074593961 + 28526281 = 32781^2 + 5341^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74878 + ... + 88390.

Almost surely, 2^1103120242 is an apocalyptic number.

1103120242 is a deficient number, since it is larger than the sum of its proper divisors (940926314).

1103120242 is an equidigital number, since it uses as much as digits as its factorization.

1103120242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13560 (or 13539 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1103120242 is about 33213.2540110119. The cubic root of 1103120242 is about 1033.2552436537.

Adding to 1103120242 its reverse (2420213011), we get a palindrome (3523333253).

The spelling of 1103120242 in words is "one billion, one hundred three million, one hundred twenty thousand, two hundred forty-two".