127890038 has 32 divisors (see below), whose sum is σ = 200799648. Its totient is φ = 61056000.

The previous prime is 127890011. The next prime is 127890047. The reversal of 127890038 is 830098721.

It is a junction number, because it is equal to n+sod(n) for n = 127889983 and 127890010.

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, 1195181 + ... + 1195287.

It is an arithmetic number, because the mean of its divisors is an integer number (6274989).

Almost surely, 2^127890038 is an apocalyptic number.

127890038 is a deficient number, since it is larger than the sum of its proper divisors (72909610).

127890038 is a wasteful number, since it uses less digits than its factorization.

127890038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 127890038 is about 11308.8477750830. The cubic root of 127890038 is about 503.8240625302.

The spelling of 127890038 in words is "one hundred twenty-seven million, eight hundred ninety thousand, thirty-eight".