127864151 has 4 divisors (see below), whose sum is σ = 130031400. Its totient is φ = 125696904.

The previous prime is 127864147. The next prime is 127864171. The reversal of 127864151 is 151468721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151468721 = 2909 ⋅52069.

It is not a de Polignac number, because 127864151 - 2² = 127864147 is a prime.

It is a super-2 number, since 2×127864151² = 32698482221901602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127864141) 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, 1083536 + ... + 1083653.

It is an arithmetic number, because the mean of its divisors is an integer number (32507850).

Almost surely, 2^127864151 is an apocalyptic number.

127864151 is a deficient number, since it is larger than the sum of its proper divisors (2167249).

127864151 is an equidigital number, since it uses as much as digits as its factorization.

127864151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167248.

The product of its digits is 13440, while the sum is 35.

The square root of 127864151 is about 11307.7031708477. The cubic root of 127864151 is about 503.7900662059.

The spelling of 127864151 in words is "one hundred twenty-seven million, eight hundred sixty-four thousand, one hundred fifty-one".