1276164 has 18 divisors (see below), whose sum is σ = 3225950. Its totient is φ = 425376.

The previous prime is 1276157. The next prime is 1276169. The reversal of 1276164 is 4616721.

It can be written as a sum of positive squares in only one way, i.e., 1016064 + 260100 = 1008^2 + 510^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1276169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17689 + ... + 17760.

2^1276164 is an apocalyptic number.

It is an amenable number.

1276164 is an abundant number, since it is smaller than the sum of its proper divisors (1949786).

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

1276164 is a wasteful number, since it uses less digits than its factorization.

1276164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35459 (or 35454 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1276164 is about 1129.6742893418. The cubic root of 1276164 is about 108.4681325285.

It can be divided in two parts, 12 and 76164, that added together give a square (76176 = 276²).

The spelling of 1276164 in words is "one million, two hundred seventy-six thousand, one hundred sixty-four".