2126753 has 4 divisors (see below), whose sum is σ = 2133780. Its totient is φ = 2119728.

The previous prime is 2126749. The next prime is 2126767. The reversal of 2126753 is 3576212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 667489 + 1459264 = 817^2 + 1208^2 .

It is a cyclic number.

It is not a de Polignac number, because 2126753 - 2² = 2126749 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2126783) 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, 3038 + ... + 3671.

It is an arithmetic number, because the mean of its divisors is an integer number (533445).

2^2126753 is an apocalyptic number.

It is an amenable number.

2126753 is a deficient number, since it is larger than the sum of its proper divisors (7027).

2126753 is an equidigital number, since it uses as much as digits as its factorization.

2126753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7026.

The product of its digits is 2520, while the sum is 26.

The square root of 2126753 is about 1458.3391237980. The cubic root of 2126753 is about 128.5994224171.

The spelling of 2126753 in words is "two million, one hundred twenty-six thousand, seven hundred fifty-three".