126256436 has 12 divisors (see below), whose sum is σ = 221221728. Its totient is φ = 63050232.

The previous prime is 126256423. The next prime is 126256439. The reversal of 126256436 is 634652621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 126256396 and 126256405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126256439) 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, 15776 + ... + 22391.

It is an arithmetic number, because the mean of its divisors is an integer number (18435144).

Almost surely, 2^126256436 is an apocalyptic number.

It is an amenable number.

126256436 is a deficient number, since it is larger than the sum of its proper divisors (94965292).

126256436 is a wasteful number, since it uses less digits than its factorization.

126256436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38998 (or 38996 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 126256436 is about 11236.3889217132. The cubic root of 126256436 is about 501.6696662232.

The spelling of 126256436 in words is "one hundred twenty-six million, two hundred fifty-six thousand, four hundred thirty-six".