1001103245 has 16 divisors (see below), whose sum is σ = 1208494080. Its totient is φ = 796118400.

The previous prime is 1001103241. The next prime is 1001103289. The reversal of 1001103245 is 5423011001.

It is not a de Polignac number, because 1001103245 - 2² = 1001103241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001103241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009700 + ... + 1010690.

It is an arithmetic number, because the mean of its divisors is an integer number (75530880).

Almost surely, 2^1001103245 is an apocalyptic number.

It is an amenable number.

1001103245 is a deficient number, since it is larger than the sum of its proper divisors (207390835).

1001103245 is an equidigital number, since it uses as much as digits as its factorization.

1001103245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1001103245 is about 31640.2156282159. The cubic root of 1001103245 is about 1000.3676131773.

Adding to 1001103245 its reverse (5423011001), we get a palindrome (6424114246).

The spelling of 1001103245 in words is "one billion, one million, one hundred three thousand, two hundred forty-five".