981150 has 48 divisors (see below), whose sum is σ = 2523648. Its totient is φ = 252000.

The previous prime is 981139. The next prime is 981151. The reversal of 981150 is 51189.

It is a self number, because there is not a number n which added to its sum of digits gives 981150.

It is a congruent 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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4545 + ... + 4755.

It is an arithmetic number, because the mean of its divisors is an integer number (52576).

2⁹⁸¹¹⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 981150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261824).

981150 is an abundant number, since it is smaller than the sum of its proper divisors (1542498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

981150 is a wasteful number, since it uses less digits than its factorization.

981150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 981150 is about 990.5301610754. The cubic root of 981150 is about 99.3676767674.

The spelling of 981150 in words is "nine hundred eighty-one thousand, one hundred fifty".