981029071 has 16 divisors (see below), whose sum is σ = 1132306560. Its totient is φ = 840581280.

The previous prime is 981029053. The next prime is 981029083. The reversal of 981029071 is 170920189.

It is not a de Polignac number, because 981029071 - 2⁵ = 981029039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 981029071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981026071) 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 15 ways as a sum of consecutive naturals, for example, 29260 + ... + 53086.

It is an arithmetic number, because the mean of its divisors is an integer number (70769160).

Almost surely, 2^981029071 is an apocalyptic number.

981029071 is a deficient number, since it is larger than the sum of its proper divisors (151277489).

981029071 is a wasteful number, since it uses less digits than its factorization.

981029071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24054.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 981029071 is about 31321.3836060925. The cubic root of 981029071 is about 993.6359416791.

The spelling of 981029071 in words is "nine hundred eighty-one million, twenty-nine thousand, seventy-one".