127672501 has 4 divisors (see below), whose sum is σ = 139279104. Its totient is φ = 116065900.

The previous prime is 127672487. The next prime is 127672537. The reversal of 127672501 is 105276721.

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 127672501 - 2¹¹ = 127670453 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127672201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5803285 + ... + 5803306.

It is an arithmetic number, because the mean of its divisors is an integer number (34819776).

Almost surely, 2^127672501 is an apocalyptic number.

127672501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

127672501 is a deficient number, since it is larger than the sum of its proper divisors (11606603).

127672501 is a wasteful number, since it uses less digits than its factorization.

127672501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11606602.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 127672501 is about 11299.2256814350. The cubic root of 127672501 is about 503.5382373586.

The spelling of 127672501 in words is "one hundred twenty-seven million, six hundred seventy-two thousand, five hundred one".