12102457 has 2 divisors, whose sum is σ = 12102458. Its totient is φ = 12102456.

The previous prime is 12102427. The next prime is 12102469. The reversal of 12102457 is 75420121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12082576 + 19881 = 3476^2 + 141^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102457 - 2⁷ = 12102329 is a prime.

It is not a weakly prime, because it can be changed into another prime (12102427) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051228 + 6051229.

It is an arithmetic number, because the mean of its divisors is an integer number (6051229).

Almost surely, 2^12102457 is an apocalyptic number.

It is an amenable number.

12102457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102457 is an equidigital number, since it uses as much as digits as its factorization.

12102457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12102457 is about 3478.8585771773. The cubic root of 12102457 is about 229.5925805552.

Adding to 12102457 its reverse (75420121), we get a palindrome (87522578).

The spelling of 12102457 in words is "twelve million, one hundred two thousand, four hundred fifty-seven".