1098207 has 12 divisors (see below), whose sum is σ = 1730664. Its totient is φ = 665520.

The previous prime is 1098203. The next prime is 1098211. The reversal of 1098207 is 7028901.

It is an interprime number because it is at equal distance from previous prime (1098203) and next prime (1098211).

It is not a de Polignac number, because 1098207 - 2² = 1098203 is a prime.

It is a super-2 number, since 2×1098207² = 2412117229698, which contains 22 as substring.

1098207 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098203) 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 in 11 ways as a sum of consecutive naturals, for example, 5448 + ... + 5645.

It is an arithmetic number, because the mean of its divisors is an integer number (144222).

2^1098207 is an apocalyptic number.

1098207 is a deficient number, since it is larger than the sum of its proper divisors (632457).

1098207 is a wasteful number, since it uses less digits than its factorization.

1098207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110 (or 11107 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1098207 is about 1047.9537203522. The cubic root of 1098207 is about 103.1718938243.

The spelling of 1098207 in words is "one million, ninety-eight thousand, two hundred seven".