1151485 has 12 divisors (see below), whose sum is σ = 1426644. Its totient is φ = 892160.

The previous prime is 1151483. The next prime is 1151519. The reversal of 1151485 is 5841511.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 357604 + 793881 = 598^2 + 891^2 .

It is not a de Polignac number, because 1151485 - 2¹ = 1151483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8337 + ... + 8473.

It is an arithmetic number, because the mean of its divisors is an integer number (118887).

2^1151485 is an apocalyptic number.

It is an amenable number.

1151485 is a deficient number, since it is larger than the sum of its proper divisors (275159).

1151485 is an equidigital number, since it uses as much as digits as its factorization.

1151485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 183 counting only the distinct ones).

The product of its digits is 800, while the sum is 25.

The square root of 1151485 is about 1073.0726909208. The cubic root of 1151485 is about 104.8140321226.

Adding to 1151485 its reverse (5841511), we get a palindrome (6992996).

It can be divided in two parts, 115 and 1485, that added together give a square (1600 = 40²).

The spelling of 1151485 in words is "one million, one hundred fifty-one thousand, four hundred eighty-five".