126267266 has 4 divisors (see below), whose sum is σ = 189400902. Its totient is φ = 63133632.

The previous prime is 126267241. The next prime is 126267277. The reversal of 126267266 is 662762621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 662762621 = 61 ⋅10864961.

It can be written as a sum of positive squares in only one way, i.e., 119355625 + 6911641 = 10925^2 + 2629^2 .

It is a super-2 number, since 2×126267266² = 31886844926229512, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31566815 + ... + 31566818.

Almost surely, 2^126267266 is an apocalyptic number.

126267266 is a deficient number, since it is larger than the sum of its proper divisors (63133636).

126267266 is an equidigital number, since it uses as much as digits as its factorization.

126267266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63133635.

The product of its digits is 72576, while the sum is 38.

The square root of 126267266 is about 11236.8708277705. The cubic root of 126267266 is about 501.6840098541.

The spelling of 126267266 in words is "one hundred twenty-six million, two hundred sixty-seven thousand, two hundred sixty-six".