1233145 has 8 divisors (see below), whose sum is σ = 1544256. Its totient is φ = 943536.

The previous prime is 1233143. The next prime is 1233179. The reversal of 1233145 is 5413321.

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 1233145 - 2¹ = 1233143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5247 + ... + 5476.

It is an arithmetic number, because the mean of its divisors is an integer number (193032).

2^1233145 is an apocalyptic number.

It is an amenable number.

1233145 is a deficient number, since it is larger than the sum of its proper divisors (311111).

1233145 is a wasteful number, since it uses less digits than its factorization.

1233145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10751.

The product of its digits is 360, while the sum is 19.

The square root of 1233145 is about 1110.4706209531. The cubic root of 1233145 is about 107.2353685646.

Adding to 1233145 its reverse (5413321), we get a palindrome (6646466).

It can be divided in two parts, 1233 and 145, that added together give a triangular number (1378 = T₅₂).

The spelling of 1233145 in words is "one million, two hundred thirty-three thousand, one hundred forty-five".