1266120 has 48 divisors (see below), whose sum is σ = 4116060. Its totient is φ = 337536.

The previous prime is 1266113. The next prime is 1266149. The reversal of 1266120 is 216621.

It is a happy number.

1266120 is a `hidden beast` number, since 1 + 2 + 661 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 60516 = 1098^2 + 246^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1266093 and 1266102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1399 + ... + 2118.

2^1266120 is an apocalyptic number.

1266120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1266120 is an abundant number, since it is smaller than the sum of its proper divisors (2849940).

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

1266120 is a wasteful number, since it uses less digits than its factorization.

1266120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534 (or 3527 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1266120 is about 1125.2199784931. The cubic root of 1266120 is about 108.1828179308.

The spelling of 1266120 in words is "one million, two hundred sixty-six thousand, one hundred twenty".