12141509 has 2 divisors, whose sum is σ = 12141510. Its totient is φ = 12141508.

The previous prime is 12141499. The next prime is 12141527. The reversal of 12141509 is 90514121.

It is a happy number.

12141509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6604900 + 5536609 = 2570^2 + 2353^2 .

It is a cyclic number.

It is not a de Polignac number, because 12141509 - 2⁸ = 12141253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12141559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6070754 + 6070755.

It is an arithmetic number, because the mean of its divisors is an integer number (6070755).

Almost surely, 2^12141509 is an apocalyptic number.

It is an amenable number.

12141509 is a deficient number, since it is larger than the sum of its proper divisors (1).

12141509 is an equidigital number, since it uses as much as digits as its factorization.

12141509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 12141509 is about 3484.4668171759. The cubic root of 12141509 is about 229.8392638768.

The spelling of 12141509 in words is "twelve million, one hundred forty-one thousand, five hundred nine".