2126271 has 24 divisors (see below), whose sum is σ = 3457920. Its totient is φ = 1135296.

The previous prime is 2126269. The next prime is 2126273. The reversal of 2126271 is 1726212.

It is an interprime number because it is at equal distance from previous prime (2126269) and next prime (2126273).

It is not a de Polignac number, because 2126271 - 2¹ = 2126269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29091 + ... + 29163.

It is an arithmetic number, because the mean of its divisors is an integer number (144080).

2^2126271 is an apocalyptic number.

2126271 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2126271 is a deficient number, since it is larger than the sum of its proper divisors (1331649).

2126271 is an equidigital number, since it uses as much as digits as its factorization.

2126271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 102 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 2126271 is about 1458.1738579470. The cubic root of 2126271 is about 128.5897065725.

The spelling of 2126271 in words is "two million, one hundred twenty-six thousand, two hundred seventy-one".