1022965 has 8 divisors (see below), whose sum is σ = 1239480. Its totient is φ = 810432.

The previous prime is 1022963. The next prime is 1022977. The reversal of 1022965 is 5692201.

It can be written as a sum of positive squares in 4 ways, for example, as 223729 + 799236 = 473^2 + 894^2 .

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 1022965 - 2¹ = 1022963 is a prime.

1022965 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (154935).

2^1022965 is an apocalyptic number.

It is an amenable number.

1022965 is a deficient number, since it is larger than the sum of its proper divisors (216515).

1022965 is a wasteful number, since it uses less digits than its factorization.

1022965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1022965 is about 1011.4173223749. The cubic root of 1022965 is about 100.7597137344.

The spelling of 1022965 in words is "one million, twenty-two thousand, nine hundred sixty-five".