127305106 has 4 divisors (see below), whose sum is σ = 190957662. Its totient is φ = 63652552.

The previous prime is 127305077. The next prime is 127305107. The reversal of 127305106 is 601503721.

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

It can be written as a sum of positive squares in only one way, i.e., 124211025 + 3094081 = 11145^2 + 1759^2 .

It is not an unprimeable number, because it can be changed into a prime (127305107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31826275 + ... + 31826278.

Almost surely, 2^127305106 is an apocalyptic number.

127305106 is a deficient number, since it is larger than the sum of its proper divisors (63652556).

127305106 is an equidigital number, since it uses as much as digits as its factorization.

127305106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63652555.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 127305106 is about 11282.9564388063. The cubic root of 127305106 is about 503.0547733778.

Adding to 127305106 its reverse (601503721), we get a palindrome (728808827).

The spelling of 127305106 in words is "one hundred twenty-seven million, three hundred five thousand, one hundred six".