1022376961 has 4 divisors (see below), whose sum is σ = 1025118292. Its totient is φ = 1019635632.

The previous prime is 1022376959. The next prime is 1022376967. The reversal of 1022376961 is 1696732201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 574800625 + 447576336 = 23975^2 + 21156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022376961 - 2¹ = 1022376959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022376961.

It is not an unprimeable number, because it can be changed into a prime (1022376967) 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 3 ways as a sum of consecutive naturals, for example, 1370106 + ... + 1370851.

It is an arithmetic number, because the mean of its divisors is an integer number (256279573).

Almost surely, 2^1022376961 is an apocalyptic number.

It is an amenable number.

1022376961 is a deficient number, since it is larger than the sum of its proper divisors (2741331).

1022376961 is an equidigital number, since it uses as much as digits as its factorization.

1022376961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741330.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1022376961 is about 31974.6299587657. The cubic root of 1022376961 is about 1007.4040320144.

The spelling of 1022376961 in words is "one billion, twenty-two million, three hundred seventy-six thousand, nine hundred sixty-one".