127126806 has 16 divisors (see below), whose sum is σ = 258422448. Its totient is φ = 41680800.

The previous prime is 127126789. The next prime is 127126817. The reversal of 127126806 is 608621721.

It is a super-2 number, since 2×127126806² = 32322449607523272, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173305 + ... + 174036.

It is an arithmetic number, because the mean of its divisors is an integer number (16151403).

Almost surely, 2^127126806 is an apocalyptic number.

127126806 is an abundant number, since it is smaller than the sum of its proper divisors (131295642).

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

127126806 is a wasteful number, since it uses less digits than its factorization.

127126806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347407.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 127126806 is about 11275.0523723839. The cubic root of 127126806 is about 502.8198087951.

The spelling of 127126806 in words is "one hundred twenty-seven million, one hundred twenty-six thousand, eight hundred six".