1266115 has 8 divisors (see below), whose sum is σ = 1531728. Its totient is φ = 1004640.

The previous prime is 1266113. The next prime is 1266149. The reversal of 1266115 is 5116621.

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

It is not a de Polignac number, because 1266115 - 2¹ = 1266113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1266113) 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, 312 + ... + 1621.

It is an arithmetic number, because the mean of its divisors is an integer number (191466).

2^1266115 is an apocalyptic number.

1266115 is a deficient number, since it is larger than the sum of its proper divisors (265613).

1266115 is a wasteful number, since it uses less digits than its factorization.

1266115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069.

The product of its digits is 360, while the sum is 22.

The square root of 1266115 is about 1125.2177567031. The cubic root of 1266115 is about 108.1826755233.

It can be divided in two parts, 126 and 6115, that added together give a square (6241 = 79²).

The spelling of 1266115 in words is "one million, two hundred sixty-six thousand, one hundred fifteen".