127166672 has 10 divisors (see below), whose sum is σ = 246385458. Its totient is φ = 63583328.

The previous prime is 127166651. The next prime is 127166687. The reversal of 127166672 is 276661721.

It can be written as a sum of positive squares in only one way, i.e., 127148176 + 18496 = 11276^2 + 136^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3973943 + ... + 3973974.

Almost surely, 2^127166672 is an apocalyptic number.

It is an amenable number.

127166672 is a deficient number, since it is larger than the sum of its proper divisors (119218786).

127166672 is an equidigital number, since it uses as much as digits as its factorization.

127166672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7947925 (or 7947919 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 127166672 is about 11276.8201191648. The cubic root of 127166672 is about 502.8723634585.

The spelling of 127166672 in words is "one hundred twenty-seven million, one hundred sixty-six thousand, six hundred seventy-two".