1102641 has 4 divisors (see below), whose sum is σ = 1470192. Its totient is φ = 735092.

The previous prime is 1102583. The next prime is 1102663. The reversal of 1102641 is 1462011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1102641 - 2¹³ = 1094449 is a prime.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102641.

It is not an unprimeable number, because it can be changed into a prime (1102681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183771 + ... + 183776.

It is an arithmetic number, because the mean of its divisors is an integer number (367548).

2^1102641 is an apocalyptic number.

It is an amenable number.

1102641 is a deficient number, since it is larger than the sum of its proper divisors (367551).

1102641 is an equidigital number, since it uses as much as digits as its factorization.

1102641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367550.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1102641 is about 1050.0671407105. The cubic root of 1102641 is about 103.3105592081.

Adding to 1102641 its reverse (1462011), we get a palindrome (2564652).

The spelling of 1102641 in words is "one million, one hundred two thousand, six hundred forty-one".