1153481 has 8 divisors (see below), whose sum is σ = 1324800. Its totient is φ = 983808.

The previous prime is 1153463. The next prime is 1153483. The reversal of 1153481 is 1843511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1153481 is a prime.

It is a super-2 number, since 2×1153481² = 2661036834722, which contains 22 as substring.

It is a Duffinian number.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2345 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (165600).

2^1153481 is an apocalyptic number.

It is an amenable number.

1153481 is a deficient number, since it is larger than the sum of its proper divisors (171319).

1153481 is an equidigital number, since it uses as much as digits as its factorization.

1153481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823.

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

The square root of 1153481 is about 1074.0023277442. The cubic root of 1153481 is about 104.8745591935.

Adding to 1153481 its reverse (1843511), we get a palindrome (2996992).

The spelling of 1153481 in words is "one million, one hundred fifty-three thousand, four hundred eighty-one".