127420418 has 4 divisors (see below), whose sum is σ = 191130630. Its totient is φ = 63710208.

The previous prime is 127420393. The next prime is 127420421. The reversal of 127420418 is 814024721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 814024721 = 53 ⋅15358957.

It can be written as a sum of positive squares in only one way, i.e., 127080529 + 339889 = 11273^2 + 583^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31855103 + ... + 31855106.

Almost surely, 2^127420418 is an apocalyptic number.

127420418 is a deficient number, since it is larger than the sum of its proper divisors (63710212).

127420418 is an equidigital number, since it uses as much as digits as its factorization.

127420418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63710211.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 127420418 is about 11288.0652903852. The cubic root of 127420418 is about 503.2066152748.

The spelling of 127420418 in words is "one hundred twenty-seven million, four hundred twenty thousand, four hundred eighteen".