1102500043 has 2 divisors, whose sum is σ = 1102500044. Its totient is φ = 1102500042.

The previous prime is 1102500041. The next prime is 1102500071. The reversal of 1102500043 is 3400052011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102500043 - 2¹ = 1102500041 is a prime.

Together with 1102500041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1102500041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551250021 + 551250022.

It is an arithmetic number, because the mean of its divisors is an integer number (551250022).

Almost surely, 2^1102500043 is an apocalyptic number.

1102500043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102500043 is an equidigital number, since it uses as much as digits as its factorization.

1102500043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1102500043 is about 33203.9160792820. The cubic root of 1102500043 is about 1033.0615675771.

Adding to 1102500043 its reverse (3400052011), we get a palindrome (4502552054).

The spelling of 1102500043 in words is "one billion, one hundred two million, five hundred thousand, forty-three".