126264506 has 4 divisors (see below), whose sum is σ = 189396762. Its totient is φ = 63132252.

The previous prime is 126264493. The next prime is 126264511. The reversal of 126264506 is 605462621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605462621 = 41 ⋅14767381.

It can be written as a sum of positive squares in only one way, i.e., 68641225 + 57623281 = 8285^2 + 7591^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31566125 + ... + 31566128.

Almost surely, 2^126264506 is an apocalyptic number.

126264506 is a deficient number, since it is larger than the sum of its proper divisors (63132256).

126264506 is an equidigital number, since it uses as much as digits as its factorization.

126264506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63132255.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 126264506 is about 11236.7480171089. The cubic root of 126264506 is about 501.6803544914.

The spelling of 126264506 in words is "one hundred twenty-six million, two hundred sixty-four thousand, five hundred six".