10122149 has 2 divisors, whose sum is σ = 10122150. Its totient is φ = 10122148.

The previous prime is 10122143. The next prime is 10122163. The reversal of 10122149 is 94122101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7059649 + 3062500 = 2657^2 + 1750^2 .

It is a cyclic number.

It is not a de Polignac number, because 10122149 - 2²⁰ = 9073573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10122149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10122143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061074 + 5061075.

It is an arithmetic number, because the mean of its divisors is an integer number (5061075).

Almost surely, 2^10122149 is an apocalyptic number.

It is an amenable number.

10122149 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122149 is an equidigital number, since it uses as much as digits as its factorization.

10122149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 10122149 is about 3181.5324923690. The cubic root of 10122149 is about 216.3171281904.

The spelling of 10122149 in words is "ten million, one hundred twenty-two thousand, one hundred forty-nine".