2126247 has 8 divisors (see below), whose sum is σ = 2849280. Its totient is φ = 1410360.

The previous prime is 2126227. The next prime is 2126249. The reversal of 2126247 is 7426212.

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

It is not a de Polignac number, because 2126247 - 2¹² = 2122151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047 + ... + 2312.

It is an arithmetic number, because the mean of its divisors is an integer number (356160).

2^2126247 is an apocalyptic number.

2126247 is a deficient number, since it is larger than the sum of its proper divisors (723033).

2126247 is a wasteful number, since it uses less digits than its factorization.

2126247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573.

The product of its digits is 1344, while the sum is 24.

The square root of 2126247 is about 1458.1656284524. The cubic root of 2126247 is about 128.5892227576.

The spelling of 2126247 in words is "two million, one hundred twenty-six thousand, two hundred forty-seven".