126464566 has 4 divisors (see below), whose sum is σ = 189696852. Its totient is φ = 63232282.

The previous prime is 126464549. The next prime is 126464567. The reversal of 126464566 is 665464621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 665464621 = 197 ⋅3377993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126464567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31616140 + ... + 31616143.

It is an arithmetic number, because the mean of its divisors is an integer number (47424213).

Almost surely, 2^126464566 is an apocalyptic number.

126464566 is a deficient number, since it is larger than the sum of its proper divisors (63232286).

126464566 is an equidigital number, since it uses as much as digits as its factorization.

126464566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63232285.

The product of its digits is 207360, while the sum is 40.

The square root of 126464566 is about 11245.6465354376. The cubic root of 126464566 is about 501.9451774229.

The spelling of 126464566 in words is "one hundred twenty-six million, four hundred sixty-four thousand, five hundred sixty-six".