126568426 has 4 divisors (see below), whose sum is σ = 189852642. Its totient is φ = 63284212.

The previous prime is 126568423. The next prime is 126568433. The reversal of 126568426 is 624865621.

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

It can be written as a sum of positive squares in only one way, i.e., 70543201 + 56025225 = 8399^2 + 7485^2 .

It is not an unprimeable number, because it can be changed into a prime (126568423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31642105 + ... + 31642108.

Almost surely, 2^126568426 is an apocalyptic number.

126568426 is a deficient number, since it is larger than the sum of its proper divisors (63284216).

126568426 is an equidigital number, since it uses as much as digits as its factorization.

126568426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63284215.

The product of its digits is 138240, while the sum is 40.

The square root of 126568426 is about 11250.2633746948. The cubic root of 126568426 is about 502.0825486066.

The spelling of 126568426 in words is "one hundred twenty-six million, five hundred sixty-eight thousand, four hundred twenty-six".