2787126 has 8 divisors (see below), whose sum is σ = 5574264. Its totient is φ = 929040.

The previous prime is 2787121. The next prime is 2787143. The reversal of 2787126 is 6217872.

2787126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2787126 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2787121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232255 + ... + 232266.

It is an arithmetic number, because the mean of its divisors is an integer number (696783).

2^2787126 is an apocalyptic number.

2787126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2787126 is a wasteful number, since it uses less digits than its factorization.

2787126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464526.

The product of its digits is 9408, while the sum is 33.

The square root of 2787126 is about 1669.4687777853. The cubic root of 2787126 is about 140.7296262366.

It can be divided in two parts, 27 and 87126, that added together give a triangular number (87153 = T₄₁₇).

The spelling of 2787126 in words is "two million, seven hundred eighty-seven thousand, one hundred twenty-six".