981330126 has 96 divisors (see below), whose sum is σ = 2409626880. Its totient is φ = 260883072.

The previous prime is 981330073. The next prime is 981330149. The reversal of 981330126 is 621033189.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 894010 + ... + 895106.

It is an arithmetic number, because the mean of its divisors is an integer number (25100280).

Almost surely, 2^981330126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 981330126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204813440).

981330126 is an abundant number, since it is smaller than the sum of its proper divisors (1428296754).

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

981330126 is a wasteful number, since it uses less digits than its factorization.

981330126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 981330126 is about 31326.1891394405. The cubic root of 981330126 is about 993.7375725355.

The spelling of 981330126 in words is "nine hundred eighty-one million, three hundred thirty thousand, one hundred twenty-six".