1164825 has 36 divisors (see below), whose sum is σ = 2166528. Its totient is φ = 597600.

The previous prime is 1164817. The next prime is 1164829. The reversal of 1164825 is 5284611.

Added to its reverse (5284611) it gives a triangular number (6449436 = T₃₅₉₁).

1164825 is a `hidden beast` number, since 11 + 648 + 2 + 5 = 666.

It is not a de Polignac number, because 1164825 - 2³ = 1164817 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1164829) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6892 + ... + 7058.

2^1164825 is an apocalyptic number.

1164825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1164825 is a deficient number, since it is larger than the sum of its proper divisors (1001703).

1164825 is a wasteful number, since it uses less digits than its factorization.

1164825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 206 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1164825 is about 1079.2705870170. The cubic root of 1164825 is about 105.2172373168.

Adding to 1164825 its reverse (5284611), we get a triangular number (6449436 = T₃₅₉₁).

The spelling of 1164825 in words is "one million, one hundred sixty-four thousand, eight hundred twenty-five".