1001098237 has 2 divisors, whose sum is σ = 1001098238. Its totient is φ = 1001098236.

The previous prime is 1001098229. The next prime is 1001098279. The reversal of 1001098237 is 7328901001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 780308356 + 220789881 = 27934^2 + 14859^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001098237 - 2³ = 1001098229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001098199 and 1001098208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001098037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500549118 + 500549119.

It is an arithmetic number, because the mean of its divisors is an integer number (500549119).

Almost surely, 2^1001098237 is an apocalyptic number.

It is an amenable number.

1001098237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001098237 is an equidigital number, since it uses as much as digits as its factorization.

1001098237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1001098237 is about 31640.1364883276. The cubic root of 1001098237 is about 1000.3659450679.

Adding to 1001098237 its reverse (7328901001), we get a palindrome (8329999238).

The spelling of 1001098237 in words is "one billion, one million, ninety-eight thousand, two hundred thirty-seven".