1102149943 has 2 divisors, whose sum is σ = 1102149944. Its totient is φ = 1102149942.

The previous prime is 1102149941. The next prime is 1102150019. The reversal of 1102149943 is 3499412011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102149943 - 2¹ = 1102149941 is a prime.

Together with 1102149941, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1102149899 and 1102149908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102149941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551074971 + 551074972.

It is an arithmetic number, because the mean of its divisors is an integer number (551074972).

Almost surely, 2^1102149943 is an apocalyptic number.

1102149943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102149943 is an equidigital number, since it uses as much as digits as its factorization.

1102149943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1102149943 is about 33198.6436921751. The cubic root of 1102149943 is about 1032.9522060863.

The spelling of 1102149943 in words is "one billion, one hundred two million, one hundred forty-nine thousand, nine hundred forty-three".