2126741 has 4 divisors (see below), whose sum is σ = 2219232. Its totient is φ = 2034252.

The previous prime is 2126687. The next prime is 2126749. The reversal of 2126741 is 1476212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2126741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 92467 = 2126741 / (2 + 1 + 2 + 6 + 7 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126749) 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, 46211 + ... + 46256.

It is an arithmetic number, because the mean of its divisors is an integer number (554808).

2^2126741 is an apocalyptic number.

It is an amenable number.

2126741 is a deficient number, since it is larger than the sum of its proper divisors (92491).

2126741 is an equidigital number, since it uses as much as digits as its factorization.

2126741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92490.

The product of its digits is 672, while the sum is 23.

The square root of 2126741 is about 1458.3350095228. The cubic root of 2126741 is about 128.5991805467.

It can be divided in two parts, 21 and 26741, that added together give a palindrome (26762).

The spelling of 2126741 in words is "two million, one hundred twenty-six thousand, seven hundred forty-one".