981268 has 6 divisors (see below), whose sum is σ = 1717226. Its totient is φ = 490632.

The previous prime is 981263. The next prime is 981271. The reversal of 981268 is 862189.

It can be written as a sum of positive squares in only one way, i.e., 917764 + 63504 = 958^2 + 252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981263) 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 as a sum of consecutive naturals, namely, 122655 + ... + 122662.

2⁹⁸¹²⁶⁸ is an apocalyptic number.

It is an amenable number.

981268 is a deficient number, since it is larger than the sum of its proper divisors (735958).

981268 is a wasteful number, since it uses less digits than its factorization.

981268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245321 (or 245319 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 981268 is about 990.5897233467. The cubic root of 981268 is about 99.3716601596.

The spelling of 981268 in words is "nine hundred eighty-one thousand, two hundred sixty-eight".