1022115 has 8 divisors (see below), whose sum is σ = 1635408. Its totient is φ = 545120.

The previous prime is 1022113. The next prime is 1022123. The reversal of 1022115 is 5112201.

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

It is not a de Polignac number, because 1022115 - 2¹ = 1022113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022115.

It is not an unprimeable number, because it can be changed into a prime (1022113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34056 + ... + 34085.

It is an arithmetic number, because the mean of its divisors is an integer number (204426).

2^1022115 is an apocalyptic number.

1022115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1022115 is a deficient number, since it is larger than the sum of its proper divisors (613293).

1022115 is an equidigital number, since it uses as much as digits as its factorization.

1022115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68149.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1022115 is about 1010.9970326366. The cubic root of 1022115 is about 100.7317983156.

Adding to 1022115 its reverse (5112201), we get a palindrome (6134316).

The spelling of 1022115 in words is "one million, twenty-two thousand, one hundred fifteen".