127251055 has 4 divisors (see below), whose sum is σ = 152701272. Its totient is φ = 101800840.

The previous prime is 127251053. The next prime is 127251071. The reversal of 127251055 is 550152721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550152721 = 3739 ⋅147139.

It is not a de Polignac number, because 127251055 - 2¹ = 127251053 is a prime.

It is a super-2 number, since 2×127251055² = 32385661997226050, 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 (127251053) 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, 12725101 + ... + 12725110.

It is an arithmetic number, because the mean of its divisors is an integer number (38175318).

Almost surely, 2^127251055 is an apocalyptic number.

127251055 is a deficient number, since it is larger than the sum of its proper divisors (25450217).

127251055 is an equidigital number, since it uses as much as digits as its factorization.

127251055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25450216.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 127251055 is about 11280.5609346344. The cubic root of 127251055 is about 502.9835679002.

The spelling of 127251055 in words is "one hundred twenty-seven million, two hundred fifty-one thousand, fifty-five".