1101023 has 16 divisors (see below), whose sum is σ = 1397760. Its totient is φ = 842400.

The previous prime is 1100977. The next prime is 1101071. The reversal of 1101023 is 3201011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5993 + ... + 6173.

It is an arithmetic number, because the mean of its divisors is an integer number (87360).

2^1101023 is an apocalyptic number.

1101023 is a deficient number, since it is larger than the sum of its proper divisors (296737).

1101023 is a wasteful number, since it uses less digits than its factorization.

1101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1101023 is about 1049.2964309479. The cubic root of 1101023 is about 103.2600023141.

Adding to 1101023 its reverse (3201011), we get a palindrome (4302034).

The spelling of 1101023 in words is "one million, one hundred one thousand, twenty-three".