1098924287 has 2 divisors, whose sum is σ = 1098924288. Its totient is φ = 1098924286.

The previous prime is 1098924283. The next prime is 1098924317. The reversal of 1098924287 is 7824298901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1098924287 - 2² = 1098924283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098924283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549462143 + 549462144.

It is an arithmetic number, because the mean of its divisors is an integer number (549462144).

Almost surely, 2^1098924287 is an apocalyptic number.

1098924287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098924287 is an equidigital number, since it uses as much as digits as its factorization.

1098924287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 1098924287 is about 33150.0269532319. The cubic root of 1098924287 is about 1031.9435096049.

The spelling of 1098924287 in words is "one billion, ninety-eight million, nine hundred twenty-four thousand, two hundred eighty-seven".