127438046 has 4 divisors (see below), whose sum is σ = 191157072. Its totient is φ = 63719022.

The previous prime is 127438039. The next prime is 127438049. The reversal of 127438046 is 640834721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 640834721 = 29 ⋅22097749.

It is a junction number, because it is equal to n+sod(n) for n = 127437997 and 127438015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127438049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31859510 + ... + 31859513.

It is an arithmetic number, because the mean of its divisors is an integer number (47789268).

Almost surely, 2^127438046 is an apocalyptic number.

127438046 is a deficient number, since it is larger than the sum of its proper divisors (63719026).

127438046 is an equidigital number, since it uses as much as digits as its factorization.

127438046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63719025.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 127438046 is about 11288.8460880641. The cubic root of 127438046 is about 503.2298196071.

The spelling of 127438046 in words is "one hundred twenty-seven million, four hundred thirty-eight thousand, forty-six".