1102345 has 4 divisors (see below), whose sum is σ = 1322820. Its totient is φ = 881872.

The previous prime is 1102337. The next prime is 1102393. The reversal of 1102345 is 5432011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 149769 + 952576 = 387^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102345 - 2³ = 1102337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110230 + ... + 110239.

It is an arithmetic number, because the mean of its divisors is an integer number (330705).

2^1102345 is an apocalyptic number.

It is an amenable number.

1102345 is a deficient number, since it is larger than the sum of its proper divisors (220475).

1102345 is an equidigital number, since it uses as much as digits as its factorization.

1102345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220474.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1102345 is about 1049.9261878818. The cubic root of 1102345 is about 103.3013139318.

Adding to 1102345 its reverse (5432011), we get a palindrome (6534356).

The spelling of 1102345 in words is "one million, one hundred two thousand, three hundred forty-five".