1039740981 has 8 divisors (see below), whose sum is σ = 1393359264. Its totient is φ = 689641680.

The previous prime is 1039740931. The next prime is 1039740983. The reversal of 1039740981 is 1890479301.

It is a happy number.

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

It is not a de Polignac number, because 1039740981 - 2¹¹ = 1039738933 is a prime.

It is a super-3 number, since 3×1039740981³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039740983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879055 + ... + 880236.

It is an arithmetic number, because the mean of its divisors is an integer number (174169908).

Almost surely, 2^1039740981 is an apocalyptic number.

It is an amenable number.

1039740981 is a deficient number, since it is larger than the sum of its proper divisors (353618283).

1039740981 is a wasteful number, since it uses less digits than its factorization.

1039740981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759491.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1039740981 is about 32245.0148240003. The cubic root of 1039740981 is about 1013.0752854468.

The spelling of 1039740981 in words is "one billion, thirty-nine million, seven hundred forty thousand, nine hundred eighty-one".