1135481 has 6 divisors (see below), whose sum is σ = 1206510. Its totient is φ = 1068416.

The previous prime is 1135469. The next prime is 1135483. The reversal of 1135481 is 1845311.

It can be written as a sum of positive squares in 3 ways, for example, as 250000 + 885481 = 500^2 + 941^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1135481 is a prime.

It is a super-2 number, since 2×1135481² = 2578634202722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135483) 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 5 ways as a sum of consecutive naturals, for example, 1676 + ... + 2253.

It is an arithmetic number, because the mean of its divisors is an integer number (201085).

2^1135481 is an apocalyptic number.

It is an amenable number.

1135481 is a deficient number, since it is larger than the sum of its proper divisors (71029).

1135481 is an equidigital number, since it uses as much as digits as its factorization.

1135481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963 (or 3946 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 1135481 is about 1065.5895082066. The cubic root of 1135481 is about 104.3261763836.

The spelling of 1135481 in words is "one million, one hundred thirty-five thousand, four hundred eighty-one".