127490212 has 6 divisors (see below), whose sum is σ = 223107878. Its totient is φ = 63745104.

The previous prime is 127490201. The next prime is 127490239. The reversal of 127490212 is 212094721.

It can be written as a sum of positive squares in only one way, i.e., 94012416 + 33477796 = 9696^2 + 5786^2 .

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, 15936273 + ... + 15936280.

Almost surely, 2^127490212 is an apocalyptic number.

It is an amenable number.

127490212 is a deficient number, since it is larger than the sum of its proper divisors (95617666).

127490212 is a wasteful number, since it uses less digits than its factorization.

127490212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31872557 (or 31872555 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 127490212 is about 11291.1563623926. The cubic root of 127490212 is about 503.2984749432.

The spelling of 127490212 in words is "one hundred twenty-seven million, four hundred ninety thousand, two hundred twelve".