19124197 has 2 divisors, whose sum is σ = 19124198. Its totient is φ = 19124196.

The previous prime is 19124143. The next prime is 19124213. The reversal of 19124197 is 79142191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17189316 + 1934881 = 4146^2 + 1391^2 .

It is a cyclic number.

It is not a de Polignac number, because 19124197 - 2¹¹ = 19122149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19124107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9562098 + 9562099.

It is an arithmetic number, because the mean of its divisors is an integer number (9562099).

Almost surely, 2^19124197 is an apocalyptic number.

It is an amenable number.

19124197 is a deficient number, since it is larger than the sum of its proper divisors (1).

19124197 is an equidigital number, since it uses as much as digits as its factorization.

19124197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 34.

The square root of 19124197 is about 4373.1221112610. The cubic root of 19124197 is about 267.4203192380.

It can be divided in two parts, 19124 and 197, that added together give a square (19321 = 139²).

The spelling of 19124197 in words is "nineteen million, one hundred twenty-four thousand, one hundred ninety-seven".