981242 has 8 divisors (see below), whose sum is σ = 1499796. Its totient is φ = 481312.

The previous prime is 981241. The next prime is 981263. The reversal of 981242 is 242189.

It can be written as a sum of positive squares in 2 ways, for example, as 958441 + 22801 = 979^2 + 151^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 981242.

It is not an unprimeable number, because it can be changed into a prime (981241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4523 + ... + 4734.

2⁹⁸¹²⁴² is an apocalyptic number.

981242 is a deficient number, since it is larger than the sum of its proper divisors (518554).

981242 is a wasteful number, since it uses less digits than its factorization.

981242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9312.

The product of its digits is 1152, while the sum is 26.

The square root of 981242 is about 990.5765997640. The cubic root of 981242 is about 99.3707824905.

The spelling of 981242 in words is "nine hundred eighty-one thousand, two hundred forty-two".