126256435 has 4 divisors (see below), whose sum is σ = 151507728. Its totient is φ = 101005144.

The previous prime is 126256423. The next prime is 126256439. The reversal of 126256435 is 534652621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126256435 - 2⁷ = 126256307 is a prime.

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 126256435.

It is not an unprimeable number, because it can be changed into a prime (126256439) 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, 12625639 + ... + 12625648.

It is an arithmetic number, because the mean of its divisors is an integer number (37876932).

Almost surely, 2^126256435 is an apocalyptic number.

126256435 is a deficient number, since it is larger than the sum of its proper divisors (25251293).

126256435 is an equidigital number, since it uses as much as digits as its factorization.

126256435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25251292.

The product of its digits is 43200, while the sum is 34.

The square root of 126256435 is about 11236.3888772150. The cubic root of 126256435 is about 501.6696648987.

The spelling of 126256435 in words is "one hundred twenty-six million, two hundred fifty-six thousand, four hundred thirty-five".