1266860 has 24 divisors (see below), whose sum is σ = 3040800. Its totient is φ = 434304.

The previous prime is 1266851. The next prime is 1266869. The reversal of 1266860 is 686621.

It is an interprime number because it is at equal distance from previous prime (1266851) and next prime (1266869).

It is not an unprimeable number, because it can be changed into a prime (1266869) 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, 4385 + ... + 4664.

It is an arithmetic number, because the mean of its divisors is an integer number (126700).

2^1266860 is an apocalyptic number.

1266860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1266860 is an abundant number, since it is smaller than the sum of its proper divisors (1773940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1266860 is a wasteful number, since it uses less digits than its factorization.

1266860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9065 (or 9063 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1266860 is about 1125.5487550524. The cubic root of 1266860 is about 108.2038901024.

The spelling of 1266860 in words is "one million, two hundred sixty-six thousand, eight hundred sixty".