1098953 has 2 divisors, whose sum is σ = 1098954. Its totient is φ = 1098952.

The previous prime is 1098847. The next prime is 1098967. The reversal of 1098953 is 3598901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 840889 + 258064 = 917^2 + 508^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098953 - 2²⁰ = 50377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1098973) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549476 + 549477.

It is an arithmetic number, because the mean of its divisors is an integer number (549477).

2^1098953 is an apocalyptic number.

It is an amenable number.

1098953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098953 is an equidigital number, since it uses as much as digits as its factorization.

1098953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1098953 is about 1048.3095916760. The cubic root of 1098953 is about 103.1952497162.

The spelling of 1098953 in words is "one million, ninety-eight thousand, nine hundred fifty-three".