127785238 has 12 divisors (see below), whose sum is σ = 222972372. Its totient is φ = 54765060.

The previous prime is 127785191. The next prime is 127785247. The reversal of 127785238 is 832587721.

It is a junction number, because it is equal to n+sod(n) for n = 127785194 and 127785203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 651868 + ... + 652063.

It is an arithmetic number, because the mean of its divisors is an integer number (18581031).

Almost surely, 2^127785238 is an apocalyptic number.

127785238 is a deficient number, since it is larger than the sum of its proper divisors (95187134).

127785238 is a wasteful number, since it uses less digits than its factorization.

127785238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303947 (or 1303940 counting only the distinct ones).

The product of its digits is 188160, while the sum is 43.

The square root of 127785238 is about 11304.2132853198. The cubic root of 127785238 is about 503.6864047117.

The spelling of 127785238 in words is "one hundred twenty-seven million, seven hundred eighty-five thousand, two hundred thirty-eight".