127220994 has 12 divisors (see below), whose sum is σ = 275645526. Its totient is φ = 42406992.

The previous prime is 127220983. The next prime is 127221023. The reversal of 127220994 is 499022721.

It can be written as a sum of positive squares in only one way, i.e., 121815369 + 5405625 = 11037^2 + 2325^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 3533899 + ... + 3533934.

Almost surely, 2^127220994 is an apocalyptic number.

127220994 is an abundant number, since it is smaller than the sum of its proper divisors (148424532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127220994 is a wasteful number, since it uses less digits than its factorization.

127220994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067841 (or 7067838 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 127220994 is about 11279.2284310586. The cubic root of 127220994 is about 502.9439575414.

The spelling of 127220994 in words is "one hundred twenty-seven million, two hundred twenty thousand, nine hundred ninety-four".