2126197 has 8 divisors (see below), whose sum is σ = 2218752. Its totient is φ = 2035200.

The previous prime is 2126191. The next prime is 2126203. The reversal of 2126197 is 7916212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2126191) and next prime (2126203).

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

It is a cyclic number.

It is not a de Polignac number, because 2126197 - 2¹¹ = 2124149 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126191) 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, 2997 + ... + 3637.

It is an arithmetic number, because the mean of its divisors is an integer number (277344).

2^2126197 is an apocalyptic number.

It is an amenable number.

2126197 is a deficient number, since it is larger than the sum of its proper divisors (92555).

2126197 is a wasteful number, since it uses less digits than its factorization.

2126197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

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

The square root of 2126197 is about 1458.1484835229. The cubic root of 2126197 is about 128.5882147983.

The spelling of 2126197 in words is "two million, one hundred twenty-six thousand, one hundred ninety-seven".