127145807 has 8 divisors (see below), whose sum is σ = 128014992. Its totient is φ = 126280000.

The previous prime is 127145761. The next prime is 127145813. The reversal of 127145807 is 708541721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127145807 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 (127145827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154457 + ... + 155277.

It is an arithmetic number, because the mean of its divisors is an integer number (16001874).

Almost surely, 2^127145807 is an apocalyptic number.

127145807 is a deficient number, since it is larger than the sum of its proper divisors (869185).

127145807 is an equidigital number, since it uses as much as digits as its factorization.

127145807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 127145807 is about 11275.8949533951. The cubic root of 127145807 is about 502.8448588574.

The spelling of 127145807 in words is "one hundred twenty-seven million, one hundred forty-five thousand, eight hundred seven".