126858241 has 4 divisors (see below), whose sum is σ = 126880852. Its totient is φ = 126835632.

The previous prime is 126858227. The next prime is 126858283. The reversal of 126858241 is 142858621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 48163600 + 78694641 = 6940^2 + 8871^2 .

It is a cyclic number.

It is not a de Polignac number, because 126858241 - 2²¹ = 124761089 is a prime.

It is a super-2 number, since 2×126858241² = 32186026619228162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126858241.

It is not an unprimeable number, because it can be changed into a prime (126858341) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4195 + ... + 16471.

It is an arithmetic number, because the mean of its divisors is an integer number (31720213).

Almost surely, 2^126858241 is an apocalyptic number.

It is an amenable number.

126858241 is a deficient number, since it is larger than the sum of its proper divisors (22611).

126858241 is a wasteful number, since it uses less digits than its factorization.

126858241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22610.

The product of its digits is 30720, while the sum is 37.

The square root of 126858241 is about 11263.1363749180. The cubic root of 126858241 is about 502.4654775257.

The spelling of 126858241 in words is "one hundred twenty-six million, eight hundred fifty-eight thousand, two hundred forty-one".