981250 has 24 divisors (see below), whose sum is σ = 1851444. Its totient is φ = 390000.

The previous prime is 981241. The next prime is 981263. The reversal of 981250 is 52189.

981250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 194481 + 786769 = 441^2 + 887^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

981250 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6172 + ... + 6328.

2⁹⁸¹²⁵⁰ is an apocalyptic number.

981250 is a deficient number, since it is larger than the sum of its proper divisors (870194).

981250 is an equidigital number, since it uses as much as digits as its factorization.

981250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 981250 is about 990.5806378079. The cubic root of 981250 is about 99.3710525442.

It can be divided in two parts, 98 and 1250, that multiplied together give a square (122500 = 350²).

The spelling of 981250 in words is "nine hundred eighty-one thousand, two hundred fifty".