1102240243 has 4 divisors (see below), whose sum is σ = 1187027968. Its totient is φ = 1017452520.

The previous prime is 1102240189. The next prime is 1102240297. The reversal of 1102240243 is 3420422011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3420422011 = 2903 ⋅1178237.

It is an interprime number because it is at equal distance from previous prime (1102240189) and next prime (1102240297).

It is a cyclic number.

It is not a de Polignac number, because 1102240243 - 2²⁹ = 565369331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102240243.

It is not an unprimeable number, because it can be changed into a prime (1102240343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42393843 + ... + 42393868.

It is an arithmetic number, because the mean of its divisors is an integer number (296756992).

Almost surely, 2^1102240243 is an apocalyptic number.

1102240243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1102240243 is a deficient number, since it is larger than the sum of its proper divisors (84787725).

1102240243 is an equidigital number, since it uses as much as digits as its factorization.

1102240243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84787724.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1102240243 is about 33200.0036596384. The cubic root of 1102240243 is about 1032.9804155078.

Adding to 1102240243 its reverse (3420422011), we get a palindrome (4522662254).

The spelling of 1102240243 in words is "one billion, one hundred two million, two hundred forty thousand, two hundred forty-three".