1141481 has 8 divisors (see below), whose sum is σ = 1276128. Its totient is φ = 1012000.

The previous prime is 1141477. The next prime is 1141507. The reversal of 1141481 is 1841411.

It is a happy number.

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

It is not a de Polignac number, because 1141481 - 2² = 1141477 is a prime.

It is a super-2 number, since 2×1141481² = 2605957746722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1141081) 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 7 ways as a sum of consecutive naturals, for example, 815 + ... + 1716.

It is an arithmetic number, because the mean of its divisors is an integer number (159516).

2^1141481 is an apocalyptic number.

1141481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1141481 is a deficient number, since it is larger than the sum of its proper divisors (134647).

1141481 is a wasteful number, since it uses less digits than its factorization.

1141481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583.

The product of its digits is 128, while the sum is 20.

The square root of 1141481 is about 1068.4011418938. The cubic root of 1141481 is about 104.5096104651.

Adding to 1141481 its reverse (1841411), we get a palindrome (2982892).

The spelling of 1141481 in words is "one million, one hundred forty-one thousand, four hundred eighty-one".