1320674626 has 4 divisors (see below), whose sum is σ = 1981011942. Its totient is φ = 660337312.

The previous prime is 1320674603. The next prime is 1320674639. The reversal of 1320674626 is 6264760231.

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., 1299963025 + 20711601 = 36055^2 + 4551^2 .

It is an unprimeable number.

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, 330168655 + ... + 330168658.

Almost surely, 2^1320674626 is an apocalyptic number.

1320674626 is a deficient number, since it is larger than the sum of its proper divisors (660337316).

1320674626 is an equidigital number, since it uses as much as digits as its factorization.

1320674626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660337315.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 1320674626 is about 36341.0872979882. The cubic root of 1320674626 is about 1097.1481570986.

The spelling of 1320674626 in words is "one billion, three hundred twenty million, six hundred seventy-four thousand, six hundred twenty-six".