127146245 has 8 divisors (see below), whose sum is σ = 156699384. Its totient is φ = 98967744.

The previous prime is 127146241. The next prime is 127146251. The reversal of 127146245 is 542641721.

It can be written as a sum of positive squares in 4 ways, for example, as 82283041 + 44863204 = 9071^2 + 6698^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127146245 - 2² = 127146241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127146241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343454 + ... + 343823.

It is an arithmetic number, because the mean of its divisors is an integer number (19587423).

Almost surely, 2^127146245 is an apocalyptic number.

It is an amenable number.

127146245 is a deficient number, since it is larger than the sum of its proper divisors (29553139).

127146245 is an equidigital number, since it uses as much as digits as its factorization.

127146245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687319.

The product of its digits is 13440, while the sum is 32.

The square root of 127146245 is about 11275.9143753400. The cubic root of 127146245 is about 502.8454362674.

Adding to 127146245 its reverse (542641721), we get a palindrome (669787966).

The spelling of 127146245 in words is "one hundred twenty-seven million, one hundred forty-six thousand, two hundred forty-five".