1123485 has 24 divisors (see below), whose sum is σ = 1979040. Its totient is φ = 543840.

The previous prime is 1123483. The next prime is 1123487. The reversal of 1123485 is 5843211.

1123485 = T₁₇₄ + T₁₇₅ + ... + T₂₂₈.

It is an interprime number because it is at equal distance from previous prime (1123483) and next prime (1123487).

It is not a de Polignac number, because 1123485 - 2¹ = 1123483 is a prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1506 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (82460).

2^1123485 is an apocalyptic number.

1123485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1123485 is a deficient number, since it is larger than the sum of its proper divisors (855555).

1123485 is a wasteful number, since it uses less digits than its factorization.

1123485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 638 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 1123485 is about 1059.9457533289. The cubic root of 1123485 is about 103.9574838541.

Adding to 1123485 its reverse (5843211), we get a palindrome (6966696).

The spelling of 1123485 in words is "one million, one hundred twenty-three thousand, four hundred eighty-five".