127690701 has 4 divisors (see below), whose sum is σ = 170254272. Its totient is φ = 85127132.

The previous prime is 127690699. The next prime is 127690709. The reversal of 127690701 is 107096721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 127690701 - 2¹ = 127690699 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127690709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21281781 + ... + 21281786.

It is an arithmetic number, because the mean of its divisors is an integer number (42563568).

Almost surely, 2^127690701 is an apocalyptic number.

It is an amenable number.

127690701 is a deficient number, since it is larger than the sum of its proper divisors (42563571).

127690701 is an equidigital number, since it uses as much as digits as its factorization.

127690701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42563570.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 127690701 is about 11300.0310176565. The cubic root of 127690701 is about 503.5621630550.

The spelling of 127690701 in words is "one hundred twenty-seven million, six hundred ninety thousand, seven hundred one".