1123465 has 8 divisors (see below), whose sum is σ = 1540800. Its totient is φ = 770352.

The previous prime is 1123439. The next prime is 1123477. The reversal of 1123465 is 5643211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123465 - 2¹³ = 1115273 is a prime.

It is a plaindrome in base 16.

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16015 + ... + 16084.

It is an arithmetic number, because the mean of its divisors is an integer number (192600).

2^1123465 is an apocalyptic number.

It is an amenable number.

1123465 is a deficient number, since it is larger than the sum of its proper divisors (417335).

1123465 is an equidigital number, since it uses as much as digits as its factorization.

1123465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32111.

The product of its digits is 720, while the sum is 22.

The square root of 1123465 is about 1059.9363188418. The cubic root of 1123465 is about 103.9568669754.

Adding to 1123465 its reverse (5643211), we get a palindrome (6766676).

The spelling of 1123465 in words is "one million, one hundred twenty-three thousand, four hundred sixty-five".