127305146 has 16 divisors (see below), whose sum is σ = 202438440. Its totient is φ = 59834880.

The previous prime is 127305137. The next prime is 127305173. The reversal of 127305146 is 641503721.

It can be written as a sum of positive squares in 4 ways, for example, as 107848225 + 19456921 = 10385^2 + 4411^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34310 + ... + 37838.

Almost surely, 2^127305146 is an apocalyptic number.

127305146 is a deficient number, since it is larger than the sum of its proper divisors (75133294).

127305146 is a wasteful number, since it uses less digits than its factorization.

127305146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 127305146 is about 11282.9582113912. The cubic root of 127305146 is about 503.0548260654.

Adding to 127305146 its reverse (641503721), we get a palindrome (768808867).

The spelling of 127305146 in words is "one hundred twenty-seven million, three hundred five thousand, one hundred forty-six".