1102123 has 4 divisors (see below), whose sum is σ = 1202328. Its totient is φ = 1001920.

The previous prime is 1102117. The next prime is 1102147. The reversal of 1102123 is 3212011.

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

It is a cyclic number.

It is not a de Polignac number, because 1102123 - 2¹⁷ = 971051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102163) 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, 50086 + ... + 50107.

It is an arithmetic number, because the mean of its divisors is an integer number (300582).

2^1102123 is an apocalyptic number.

1102123 is a deficient number, since it is larger than the sum of its proper divisors (100205).

1102123 is a wasteful number, since it uses less digits than its factorization.

1102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100204.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1102123 is about 1049.8204608408. The cubic root of 1102123 is about 103.2943788884.

Adding to 1102123 its reverse (3212011), we get a palindrome (4314134).

It can be divided in two parts, 110212 and 3, that added together give a triangular number (110215 = T₄₆₉).

The spelling of 1102123 in words is "one million, one hundred two thousand, one hundred twenty-three".