1116015 has 16 divisors (see below), whose sum is σ = 1824768. Its totient is φ = 582176.

The previous prime is 1116001. The next prime is 1116053. The reversal of 1116015 is 5106111.

1116015 = T₁₉₄ + T₁₉₅ + ... + T₂₄₀.

It is a cyclic number.

It is not a de Polignac number, because 1116015 - 2⁸ = 1115759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1115985 and 1116003.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 87 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (114048).

2^1116015 is an apocalyptic number.

1116015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1116015 is a deficient number, since it is larger than the sum of its proper divisors (708753).

1116015 is a wasteful number, since it uses less digits than its factorization.

1116015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1116015 is about 1056.4161111986. The cubic root of 1116015 is about 103.7265684734.

It can be divided in two parts, 11160 and 15, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 1116015 in words is "one million, one hundred sixteen thousand, fifteen".