1272922106 has 8 divisors (see below), whose sum is σ = 1910020980. Its totient is φ = 636248448.

The previous prime is 1272922099. The next prime is 1272922117. The reversal of 1272922106 is 6012292721.

It can be written as a sum of positive squares in 2 ways, for example, as 1238406481 + 34515625 = 35191^2 + 5875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98711 + ... + 110858.

Almost surely, 2^1272922106 is an apocalyptic number.

1272922106 is a deficient number, since it is larger than the sum of its proper divisors (637098874).

1272922106 is a wasteful number, since it uses less digits than its factorization.

1272922106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212608.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1272922106 is about 35678.0339424694. The cubic root of 1272922106 is about 1083.7620589709.

The spelling of 1272922106 in words is "one billion, two hundred seventy-two million, nine hundred twenty-two thousand, one hundred six".