2126249 has 2 divisors, whose sum is σ = 2126250. Its totient is φ = 2126248.

The previous prime is 2126227. The next prime is 2126269. The reversal of 2126249 is 9426212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2050624 + 75625 = 1432^2 + 275^2 .

It is a cyclic number.

It is not a de Polignac number, because 2126249 - 2⁸ = 2125993 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (2126269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063124 + 1063125.

It is an arithmetic number, because the mean of its divisors is an integer number (1063125).

2^2126249 is an apocalyptic number.

It is an amenable number.

2126249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126249 is an equidigital number, since it uses as much as digits as its factorization.

2126249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 2126249 is about 1458.1663142454. The cubic root of 2126249 is about 128.5892630757.

The spelling of 2126249 in words is "two million, one hundred twenty-six thousand, two hundred forty-nine".