127120806 has 32 divisors (see below), whose sum is σ = 288506880. Its totient is φ = 41471208.

The previous prime is 127120783. The next prime is 127120831. The reversal of 127120806 is 608021721.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 127120806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22506 + ... + 27581.

It is an arithmetic number, because the mean of its divisors is an integer number (9015840).

Almost surely, 2^127120806 is an apocalyptic number.

127120806 is an abundant number, since it is smaller than the sum of its proper divisors (161386074).

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

127120806 is a wasteful number, since it uses less digits than its factorization.

127120806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50145 (or 50139 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 127120806 is about 11274.7862950922. The cubic root of 127120806 is about 502.8118981469.

The spelling of 127120806 in words is "one hundred twenty-seven million, one hundred twenty thousand, eight hundred six".