127975454 has 8 divisors (see below), whose sum is σ = 196047648. Its totient is φ = 62626240.

The previous prime is 127975453. The next prime is 127975517. The reversal of 127975454 is 454579721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×127975454² = 32755433653012232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127975451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680627 + ... + 680814.

It is an arithmetic number, because the mean of its divisors is an integer number (24505956).

Almost surely, 2^127975454 is an apocalyptic number.

127975454 is a deficient number, since it is larger than the sum of its proper divisors (68072194).

127975454 is a wasteful number, since it uses less digits than its factorization.

127975454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361490.

The product of its digits is 352800, while the sum is 44.

The square root of 127975454 is about 11312.6236567827. The cubic root of 127975454 is about 503.9362032922.

The spelling of 127975454 in words is "one hundred twenty-seven million, nine hundred seventy-five thousand, four hundred fifty-four".