127989854 has 16 divisors (see below), whose sum is σ = 195962976. Its totient is φ = 62680800.

The previous prime is 127989853. The next prime is 127989877. The reversal of 127989854 is 458989721.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 127989796 and 127989805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127989853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19424 + ... + 25164.

It is an arithmetic number, because the mean of its divisors is an integer number (12247686).

Almost surely, 2^127989854 is an apocalyptic number.

127989854 is a deficient number, since it is larger than the sum of its proper divisors (67973122).

127989854 is a wasteful number, since it uses less digits than its factorization.

127989854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971.

The product of its digits is 1451520, while the sum is 53.

The square root of 127989854 is about 11313.2600960112. The cubic root of 127989854 is about 503.9551038155.

The spelling of 127989854 in words is "one hundred twenty-seven million, nine hundred eighty-nine thousand, eight hundred fifty-four".