127725575 has 6 divisors (see below), whose sum is σ = 158379744. Its totient is φ = 102180440.

The previous prime is 127725553. The next prime is 127725583. The reversal of 127725575 is 575527721.

It is not a de Polignac number, because 127725575 - 2²⁴ = 110948359 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

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, 2554487 + ... + 2554536.

It is an arithmetic number, because the mean of its divisors is an integer number (26396624).

Almost surely, 2^127725575 is an apocalyptic number.

127725575 is a deficient number, since it is larger than the sum of its proper divisors (30654169).

127725575 is an equidigital number, since it uses as much as digits as its factorization.

127725575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109033 (or 5109028 counting only the distinct ones).

The product of its digits is 171500, while the sum is 41.

The square root of 127725575 is about 11301.5740054207. The cubic root of 127725575 is about 503.6080020191.

The spelling of 127725575 in words is "one hundred twenty-seven million, seven hundred twenty-five thousand, five hundred seventy-five".