1111481 has 16 divisors (see below), whose sum is σ = 1368960. Its totient is φ = 881280.

The previous prime is 1111457. The next prime is 1111489. The reversal of 1111481 is 1841111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111481 is a prime.

It is a super-2 number, since 2×1111481² = 2470780026722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8045 + ... + 8181.

It is an arithmetic number, because the mean of its divisors is an integer number (85560).

2^1111481 is an apocalyptic number.

It is an amenable number.

1111481 is a deficient number, since it is larger than the sum of its proper divisors (257479).

1111481 is a wasteful number, since it uses less digits than its factorization.

1111481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its digits is 32, while the sum is 17.

The square root of 1111481 is about 1054.2679924953. The cubic root of 1111481 is about 103.5859088978.

Adding to 1111481 its reverse (1841111), we get a palindrome (2952592).

The spelling of 1111481 in words is "one million, one hundred eleven thousand, four hundred eighty-one".