1098948241 has 2 divisors, whose sum is σ = 1098948242. Its totient is φ = 1098948240.

The previous prime is 1098948229. The next prime is 1098948259. The reversal of 1098948241 is 1428498901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 789329025 + 309619216 = 28095^2 + 17596^2 .

It is an emirp because it is prime and its reverse (1428498901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1098948241 - 2¹¹ = 1098946193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1098948191 and 1098948200.

It is not a weakly prime, because it can be changed into another prime (1098948041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549474120 + 549474121.

It is an arithmetic number, because the mean of its divisors is an integer number (549474121).

Almost surely, 2^1098948241 is an apocalyptic number.

It is an amenable number.

1098948241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098948241 is an equidigital number, since it uses as much as digits as its factorization.

1098948241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 1098948241 is about 33150.3882481035. The cubic root of 1098948241 is about 1031.9510075419.

The spelling of 1098948241 in words is "one billion, ninety-eight million, nine hundred forty-eight thousand, two hundred forty-one".