127152842 has 4 divisors (see below), whose sum is σ = 190729266. Its totient is φ = 63576420.

The previous prime is 127152827. The next prime is 127152859. The reversal of 127152842 is 248251721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 115326121 + 11826721 = 10739^2 + 3439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 127152799 and 127152808.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 31788209 + ... + 31788212.

Almost surely, 2^127152842 is an apocalyptic number.

127152842 is a deficient number, since it is larger than the sum of its proper divisors (63576424).

127152842 is an equidigital number, since it uses as much as digits as its factorization.

127152842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63576423.

The product of its digits is 8960, while the sum is 32.

The square root of 127152842 is about 11276.2068977117. The cubic root of 127152842 is about 502.8541328514.

The spelling of 127152842 in words is "one hundred twenty-seven million, one hundred fifty-two thousand, eight hundred forty-two".