1103020442 has 4 divisors (see below), whose sum is σ = 1654530666. Its totient is φ = 551510220.

The previous prime is 1103020441. The next prime is 1103020447. The reversal of 1103020442 is 2440203011.

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., 984014161 + 119006281 = 31369^2 + 10909^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1103020442.

It is not an unprimeable number, because it can be changed into a prime (1103020441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275755109 + ... + 275755112.

Almost surely, 2^1103020442 is an apocalyptic number.

1103020442 is a deficient number, since it is larger than the sum of its proper divisors (551510224).

1103020442 is an equidigital number, since it uses as much as digits as its factorization.

1103020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551510223.

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

The square root of 1103020442 is about 33211.7515647700. The cubic root of 1103020442 is about 1033.2240829578.

Adding to 1103020442 its reverse (2440203011), we get a palindrome (3543223453).

The spelling of 1103020442 in words is "one billion, one hundred three million, twenty thousand, four hundred forty-two".