1102130243 has 2 divisors, whose sum is σ = 1102130244. Its totient is φ = 1102130242.

The previous prime is 1102130221. The next prime is 1102130273. The reversal of 1102130243 is 3420312011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102130243 - 2¹² = 1102126147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102130273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551065121 + 551065122.

It is an arithmetic number, because the mean of its divisors is an integer number (551065122).

Almost surely, 2^1102130243 is an apocalyptic number.

1102130243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102130243 is an equidigital number, since it uses as much as digits as its factorization.

1102130243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1102130243 is about 33198.3469919814. The cubic root of 1102130243 is about 1032.9460516667.

Adding to 1102130243 its reverse (3420312011), we get a palindrome (4522442254).

The spelling of 1102130243 in words is "one billion, one hundred two million, one hundred thirty thousand, two hundred forty-three".