126545626 has 4 divisors (see below), whose sum is σ = 189818442. Its totient is φ = 63272812.

The previous prime is 126545623. The next prime is 126545633. The reversal of 126545626 is 626545621.

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., 126540001 + 5625 = 11249^2 + 75^2 .

It is not an unprimeable number, because it can be changed into a prime (126545623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31636405 + ... + 31636408.

Almost surely, 2^126545626 is an apocalyptic number.

126545626 is a deficient number, since it is larger than the sum of its proper divisors (63272816).

126545626 is an equidigital number, since it uses as much as digits as its factorization.

126545626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63272815.

The product of its digits is 86400, while the sum is 37.

The square root of 126545626 is about 11249.2500194457. The cubic root of 126545626 is about 502.0523984606.

The spelling of 126545626 in words is "one hundred twenty-six million, five hundred forty-five thousand, six hundred twenty-six".