981153 has 10 divisors (see below), whose sum is σ = 1465794. Its totient is φ = 654048.

The previous prime is 981151. The next prime is 981173. The reversal of 981153 is 351189.

It can be written as a sum of positive squares in only one way, i.e., 762129 + 219024 = 873^2 + 468^2 .

It is not a de Polignac number, because 981153 - 2¹ = 981151 is a prime.

It is a super-2 number, since 2×981153² = 1925322418818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (981151) 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 9 ways as a sum of consecutive naturals, for example, 5976 + ... + 6137.

2⁹⁸¹¹⁵³ is an apocalyptic number.

It is an amenable number.

981153 is a deficient number, since it is larger than the sum of its proper divisors (484641).

981153 is a wasteful number, since it uses less digits than its factorization.

981153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125 (or 12116 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 981153 is about 990.5316754148. The cubic root of 981153 is about 99.3677780441.

The spelling of 981153 in words is "nine hundred eighty-one thousand, one hundred fifty-three".