127117650 has 48 divisors (see below), whose sum is σ = 343915488. Its totient is φ = 30816000.

The previous prime is 127117621. The next prime is 127117651. The reversal of 127117650 is 56711721.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (127117651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36871 + ... + 40170.

It is an arithmetic number, because the mean of its divisors is an integer number (7164906).

Almost surely, 2^127117650 is an apocalyptic number.

127117650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127117650 is an abundant number, since it is smaller than the sum of its proper divisors (216797838).

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

127117650 is a wasteful number, since it uses less digits than its factorization.

127117650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77067 (or 77062 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 127117650 is about 11274.6463359167. The cubic root of 127117650 is about 502.8077370461.

The spelling of 127117650 in words is "one hundred twenty-seven million, one hundred seventeen thousand, six hundred fifty".