126852289 has 4 divisors (see below), whose sum is σ = 127057840. Its totient is φ = 126646740.

The previous prime is 126852269. The next prime is 126852311. The reversal of 126852289 is 982258621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 982258621 = 26881 ⋅36541.

It is a cyclic number.

It is not a de Polignac number, because 126852289 - 2¹³ = 126844097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126852269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101847 + ... + 103084.

It is an arithmetic number, because the mean of its divisors is an integer number (31764460).

Almost surely, 2^126852289 is an apocalyptic number.

It is an amenable number.

126852289 is a deficient number, since it is larger than the sum of its proper divisors (205551).

126852289 is an equidigital number, since it uses as much as digits as its factorization.

126852289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205550.

The product of its digits is 138240, while the sum is 43.

The square root of 126852289 is about 11262.8721470147. The cubic root of 126852289 is about 502.4576190918.

The spelling of 126852289 in words is "one hundred twenty-six million, eight hundred fifty-two thousand, two hundred eighty-nine".