1122015 has 16 divisors (see below), whose sum is σ = 1812096. Its totient is φ = 592800.

The previous prime is 1122001. The next prime is 1122029. The reversal of 1122015 is 5102211.

It is an interprime number because it is at equal distance from previous prime (1122001) and next prime (1122029).

It is not a de Polignac number, because 1122015 - 2¹⁶ = 1056479 is a prime.

1122015 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1680 + ... + 2250.

It is an arithmetic number, because the mean of its divisors is an integer number (113256).

2^1122015 is an apocalyptic number.

1122015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1122015 is a deficient number, since it is larger than the sum of its proper divisors (690081).

1122015 is a wasteful number, since it uses less digits than its factorization.

1122015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

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

The square root of 1122015 is about 1059.2520946404. The cubic root of 1122015 is about 103.9121237469.

Adding to 1122015 its reverse (5102211), we get a palindrome (6224226).

The spelling of 1122015 in words is "one million, one hundred twenty-two thousand, fifteen".