981481241 has 8 divisors (see below), whose sum is σ = 1059818760. Its totient is φ = 903549312.

The previous prime is 981481219. The next prime is 981481253. The reversal of 981481241 is 142184189.

It can be written as a sum of positive squares in 4 ways, for example, as 22278400 + 959202841 = 4720^2 + 30971^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 981481241 - 2⁶ = 981481177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 981481195 and 981481204.

It is not an unprimeable number, because it can be changed into a prime (981481141) 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 7 ways as a sum of consecutive naturals, for example, 96356 + ... + 106053.

It is an arithmetic number, because the mean of its divisors is an integer number (132477345).

Almost surely, 2^981481241 is an apocalyptic number.

It is an amenable number.

981481241 is a deficient number, since it is larger than the sum of its proper divisors (78337519).

981481241 is a wasteful number, since it uses less digits than its factorization.

981481241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202795.

The product of its digits is 18432, while the sum is 38.

The square root of 981481241 is about 31328.6010061094. The cubic root of 981481241 is about 993.7885784583.

The spelling of 981481241 in words is "nine hundred eighty-one million, four hundred eighty-one thousand, two hundred forty-one".