2124197 has 2 divisors, whose sum is σ = 2124198. Its totient is φ = 2124196.

The previous prime is 2124191. The next prime is 2124223. The reversal of 2124197 is 7914212.

It is an a-pointer prime, because the next prime (2124223) can be obtained adding 2124197 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1811716 + 312481 = 1346^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124197 - 2¹² = 2120101 is a prime.

It is equal to p₁₅₇₄₇₂ and since 2124197 and 157472 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062098 + 1062099.

It is an arithmetic number, because the mean of its divisors is an integer number (1062099).

2^2124197 is an apocalyptic number.

It is an amenable number.

2124197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124197 is an equidigital number, since it uses as much as digits as its factorization.

2124197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 2124197 is about 1457.4625209589. The cubic root of 2124197 is about 128.5478834604.

The spelling of 2124197 in words is "two million, one hundred twenty-four thousand, one hundred ninety-seven".