127416491 has 4 divisors (see below), whose sum is σ = 128179632. Its totient is φ = 126653352.

The previous prime is 127416473. The next prime is 127416511. The reversal of 127416491 is 194614721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127416491 - 2¹⁰ = 127415467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127416431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381320 + ... + 381653.

It is an arithmetic number, because the mean of its divisors is an integer number (32044908).

Almost surely, 2^127416491 is an apocalyptic number.

127416491 is a deficient number, since it is larger than the sum of its proper divisors (763141).

127416491 is an equidigital number, since it uses as much as digits as its factorization.

127416491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763140.

The product of its digits is 12096, while the sum is 35.

The square root of 127416491 is about 11287.8913442680. The cubic root of 127416491 is about 503.2014457404.

The spelling of 127416491 in words is "one hundred twenty-seven million, four hundred sixteen thousand, four hundred ninety-one".