122747266 has 4 divisors (see below), whose sum is σ = 184120902. Its totient is φ = 61373632.

The previous prime is 122747257. The next prime is 122747279. The reversal of 122747266 is 662747221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 662747221 = 2459 ⋅269519.

It can be written as a sum of positive squares in only one way, i.e., 122744241 + 3025 = 11079^2 + 55^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30686815 + ... + 30686818.

Almost surely, 2^122747266 is an apocalyptic number.

122747266 is a deficient number, since it is larger than the sum of its proper divisors (61373636).

122747266 is an equidigital number, since it uses as much as digits as its factorization.

122747266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61373635.

The product of its digits is 56448, while the sum is 37.

The square root of 122747266 is about 11079.1365187004. The cubic root of 122747266 is about 496.9781280395.

The spelling of 122747266 in words is "one hundred twenty-two million, seven hundred forty-seven thousand, two hundred sixty-six".