1110981 has 8 divisors (see below), whose sum is σ = 1495584. Its totient is φ = 733520.

The previous prime is 1110979. The next prime is 1110983. The reversal of 1110981 is 1890111.

It is an interprime number because it is at equal distance from previous prime (1110979) and next prime (1110983).

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

It is a cyclic number.

It is not a de Polignac number, because 1110981 - 2¹ = 1110979 is a prime.

It is a super-2 number, since 2×1110981² = 2468557564722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110983) 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, 1410 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (186948).

2^1110981 is an apocalyptic number.

It is an amenable number.

1110981 is a deficient number, since it is larger than the sum of its proper divisors (384603).

1110981 is a wasteful number, since it uses less digits than its factorization.

1110981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571.

The product of its (nonzero) digits is 72, while the sum is 21.

The square root of 1110981 is about 1054.0308344636. The cubic root of 1110981 is about 103.5703738526.

The spelling of 1110981 in words is "one million, one hundred ten thousand, nine hundred eighty-one".