127385145 has 12 divisors (see below), whose sum is σ = 220800996. Its totient is φ = 67938720.

The previous prime is 127385123. The next prime is 127385161. The reversal of 127385145 is 541583721.

It can be written as a sum of positive squares in 2 ways, for example, as 86322681 + 41062464 = 9291^2 + 6408^2 .

It is not a de Polignac number, because 127385145 - 2⁹ = 127384633 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1415346 + ... + 1415435.

It is an arithmetic number, because the mean of its divisors is an integer number (18400083).

Almost surely, 2^127385145 is an apocalyptic number.

127385145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127385145 is a deficient number, since it is larger than the sum of its proper divisors (93415851).

127385145 is a wasteful number, since it uses less digits than its factorization.

127385145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830792 (or 2830789 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 127385145 is about 11286.5027798694. The cubic root of 127385145 is about 503.1601778060.

The spelling of 127385145 in words is "one hundred twenty-seven million, three hundred eighty-five thousand, one hundred forty-five".