127893481 has 9 divisors (see below), whose sum is σ = 131436669. Its totient is φ = 124444236.

The previous prime is 127893461. The next prime is 127893529. The reversal of 127893481 is 184398721.

The square root of 127893481 is 11309.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 127893481 - 2⁵ = 127893449 is a prime.

It is a super-2 number, since 2×127893481² = 32713484964594722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127893421) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 486156 + ... + 486418.

Almost surely, 2^127893481 is an apocalyptic number.

127893481 is the 11309-th square number.

127893481 is the 5655-th centered octagonal number.

It is an amenable number.

127893481 is a deficient number, since it is larger than the sum of its proper divisors (3543188).

127893481 is an frugal number, since it uses more digits than its factorization.

127893481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 306 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The cubic root of 127893481 is about 503.8285837337.

The spelling of 127893481 in words is "one hundred twenty-seven million, eight hundred ninety-three thousand, four hundred eighty-one".