1153485 has 12 divisors (see below), whose sum is σ = 1999452. Its totient is φ = 615168.

The previous prime is 1153483. The next prime is 1153487. The reversal of 1153485 is 5843511.

It is an interprime number because it is at equal distance from previous prime (1153483) and next prime (1153487).

It can be written as a sum of positive squares in 2 ways, for example, as 412164 + 741321 = 642^2 + 861^2 .

It is not a de Polignac number, because 1153485 - 2¹ = 1153483 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 (1153483) 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 11 ways as a sum of consecutive naturals, for example, 12772 + ... + 12861.

It is an arithmetic number, because the mean of its divisors is an integer number (166621).

2^1153485 is an apocalyptic number.

1153485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153485 is a deficient number, since it is larger than the sum of its proper divisors (845967).

1153485 is a wasteful number, since it uses less digits than its factorization.

1153485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25644 (or 25641 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1153485 is about 1074.0041899360. The cubic root of 1153485 is about 104.8746804201.

Adding to 1153485 its reverse (5843511), we get a palindrome (6996996).

It can be divided in two parts, 115 and 3485, that added together give a square (3600 = 60²).

The spelling of 1153485 in words is "one million, one hundred fifty-three thousand, four hundred eighty-five".