1123102 has 4 divisors (see below), whose sum is σ = 1684656. Its totient is φ = 561550.
The previous prime is 1123093. The next prime is 1123127. The reversal of 1123102 is 2013211.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2013211 = 157 ⋅12823.
It is a super-2 number, since 2×11231022 = 2522716204808, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280774 + ... + 280777.
It is an arithmetic number, because the mean of its divisors is an integer number (421164).
21123102 is an apocalyptic number.
1123102 is a deficient number, since it is larger than the sum of its proper divisors (561554).
1123102 is an equidigital number, since it uses as much as digits as its factorization.
1123102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 561553.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 1123102 is about 1059.7650683052. The cubic root of 1123102 is about 103.9456693538.
Adding to 1123102 its reverse (2013211), we get a palindrome (3136313).
It can be divided in two parts, 1123 and 102, that added together give a triangular number (1225 = T49).
The spelling of 1123102 in words is "one million, one hundred twenty-three thousand, one hundred two".
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