127440086 has 4 divisors (see below), whose sum is σ = 191160132. Its totient is φ = 63720042.

The previous prime is 127440029. The next prime is 127440091. The reversal of 127440086 is 680044721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680044721 = 6329 ⋅107449.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31860020 + ... + 31860023.

It is an arithmetic number, because the mean of its divisors is an integer number (47790033).

Almost surely, 2^127440086 is an apocalyptic number.

127440086 is a deficient number, since it is larger than the sum of its proper divisors (63720046).

127440086 is an equidigital number, since it uses as much as digits as its factorization.

127440086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63720045.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 127440086 is about 11288.9364423758. The cubic root of 127440086 is about 503.2325047899.

The spelling of 127440086 in words is "one hundred twenty-seven million, four hundred forty thousand, eighty-six".