1286115 has 16 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 680672.

The previous prime is 1286107. The next prime is 1286119. The reversal of 1286115 is 5116821.

It is a cyclic number.

It is not a de Polignac number, because 1286115 - 2³ = 1286107 is a prime.

1286115 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1286119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2446 + ... + 2924.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2^1286115 is an apocalyptic number.

1286115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1286115 is a deficient number, since it is larger than the sum of its proper divisors (787485).

1286115 is a wasteful number, since it uses less digits than its factorization.

1286115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its digits is 480, while the sum is 24.

The square root of 1286115 is about 1134.0701036532. The cubic root of 1286115 is about 108.7493328008.

The spelling of 1286115 in words is "one million, two hundred eighty-six thousand, one hundred fifteen".