1084981 has 2 divisors, whose sum is σ = 1084982. Its totient is φ = 1084980.

The previous prime is 1084949. The next prime is 1084987. The reversal of 1084981 is 1894801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030225 + 54756 = 1015^2 + 234^2 .

It is a cyclic number.

It is not a de Polignac number, because 1084981 - 2⁵ = 1084949 is a prime.

It is a super-2 number, since 2×1084981² = 2354367540722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1084987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542490 + 542491.

It is an arithmetic number, because the mean of its divisors is an integer number (542491).

2^1084981 is an apocalyptic number.

It is an amenable number.

1084981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084981 is an equidigital number, since it uses as much as digits as its factorization.

1084981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1084981 is about 1041.6242124682. The cubic root of 1084981 is about 102.7560443833.

The spelling of 1084981 in words is "one million, eighty-four thousand, nine hundred eighty-one".