11925149 has 2 divisors, whose sum is σ = 11925150. Its totient is φ = 11925148.

The previous prime is 11925131. The next prime is 11925157. The reversal of 11925149 is 94152911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11256025 + 669124 = 3355^2 + 818^2 .

It is a cyclic number.

It is not a de Polignac number, because 11925149 - 2⁸ = 11924893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11924149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5962574 + 5962575.

It is an arithmetic number, because the mean of its divisors is an integer number (5962575).

Almost surely, 2^11925149 is an apocalyptic number.

It is an amenable number.

11925149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11925149 is an equidigital number, since it uses as much as digits as its factorization.

11925149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 32.

The square root of 11925149 is about 3453.2809037204. The cubic root of 11925149 is about 228.4658386366.

The spelling of 11925149 in words is "eleven million, nine hundred twenty-five thousand, one hundred forty-nine".