1103001203 has 2 divisors, whose sum is σ = 1103001204. Its totient is φ = 1103001202.

The previous prime is 1103001199. The next prime is 1103001209. The reversal of 1103001203 is 3021003011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103001203 - 2² = 1103001199 is a prime.

It is a super-2 number, since 2×1103001203² = 2433223307638894418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1103001209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551500601 + 551500602.

It is an arithmetic number, because the mean of its divisors is an integer number (551500602).

Almost surely, 2^1103001203 is an apocalyptic number.

1103001203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103001203 is an equidigital number, since it uses as much as digits as its factorization.

1103001203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1103001203 is about 33211.4619220534. The cubic root of 1103001203 is about 1033.2180757214.

Adding to 1103001203 its reverse (3021003011), we get a palindrome (4124004214).

The spelling of 1103001203 in words is "one billion, one hundred three million, one thousand, two hundred three".