1098151 has 2 divisors, whose sum is σ = 1098152. Its totient is φ = 1098150.

The previous prime is 1098133. The next prime is 1098187. The reversal of 1098151 is 1518901.

It is a weak prime.

It is an emirp because it is prime and its reverse (1518901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1098151 - 2⁷ = 1098023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549075 + 549076.

It is an arithmetic number, because the mean of its divisors is an integer number (549076).

2^1098151 is an apocalyptic number.

1098151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098151 is an equidigital number, since it uses as much as digits as its factorization.

1098151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 1098151 is about 1047.9270012744. The cubic root of 1098151 is about 103.1701401403.

The spelling of 1098151 in words is "one million, ninety-eight thousand, one hundred fifty-one".