127313287 has 2 divisors, whose sum is σ = 127313288. Its totient is φ = 127313286.

The previous prime is 127313273. The next prime is 127313293. The reversal of 127313287 is 782313721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127313287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127313587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63656643 + 63656644.

It is an arithmetic number, because the mean of its divisors is an integer number (63656644).

Almost surely, 2^127313287 is an apocalyptic number.

127313287 is a deficient number, since it is larger than the sum of its proper divisors (1).

127313287 is an equidigital number, since it uses as much as digits as its factorization.

127313287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 127313287 is about 11283.3189709411. The cubic root of 127313287 is about 503.0655490727.

The spelling of 127313287 in words is "one hundred twenty-seven million, three hundred thirteen thousand, two hundred eighty-seven".