2791126 has 8 divisors (see below), whose sum is σ = 4508784. Its totient is φ = 1288200.

The previous prime is 2791123. The next prime is 2791141. The reversal of 2791126 is 6211972.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2791094 and 2791103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53650 + ... + 53701.

It is an arithmetic number, because the mean of its divisors is an integer number (563598).

2^2791126 is an apocalyptic number.

2791126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2791126 is a deficient number, since it is larger than the sum of its proper divisors (1717658).

2791126 is a wasteful number, since it uses less digits than its factorization.

2791126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107366.

The product of its digits is 1512, while the sum is 28.

The square root of 2791126 is about 1670.6663341314. Note that the first 3 decimals coincide. The cubic root of 2791126 is about 140.7969177076.

The spelling of 2791126 in words is "two million, seven hundred ninety-one thousand, one hundred twenty-six".