1021970983 has 16 divisors (see below), whose sum is σ = 1173678336. Its totient is φ = 880781440.

The previous prime is 1021970977. The next prime is 1021971001. The reversal of 1021970983 is 3890791201.

1021970983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1021970983 - 2¹³ = 1021962791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021970953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10716 + ... + 46462.

It is an arithmetic number, because the mean of its divisors is an integer number (73354896).

Almost surely, 2^1021970983 is an apocalyptic number.

1021970983 is a deficient number, since it is larger than the sum of its proper divisors (151707353).

1021970983 is a wasteful number, since it uses less digits than its factorization.

1021970983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35894.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 1021970983 is about 31968.2808890312. The cubic root of 1021970983 is about 1007.2706702387.

The spelling of 1021970983 in words is "one billion, twenty-one million, nine hundred seventy thousand, nine hundred eighty-three".